BAYKO Parts History

The purpose of this page is to provide a source of information as to when every colour of each BAYKO part was manufactured [not sold] and the large table [below] is intended to kraal this data in the simplest way I can - yes, I'm aware it doesn't look too simple!
Except for the Windows, where the major style changes are identified separately, [these style changes have such a massive impact on the model's appearance] the table doesn't attempt to separate out variations in moulding or material.
Several BAYKO parts were known by different names at different stages in the life of the product. These part names are identifiable as they look like all the other conventional hyperlinks. If you slide your mouse over the those names, the various alternatives will be displayed via a small 'tool tip' label.
This pink background [below] highlights the 3 separate parts which make up the complete Dormer Roof Unit set.
The list is intended as a reference document for enthusiasts rather that being exciting - still enjoy!
The smaller second table [farther below] shows the less exciting, but non-the-less crucial, accessories like Rods and Floors.
Display board by Malcolm Hanson showing most of the moulding and colour variations of BAYKO parts
Malcolm Hanson's excellent display of most of the
moulding and colour variants of BAYKO parts.
 

Time Summary.
The total commercial life span of BAYKO was from 1934 to 1964…
…however, there was limited production, literally packed on the Plimpton family's kitchen table, late in 1933…
…and there was also limited, virtually unadvertised, production, between 1964 and 1967, after the TRI-ANG takeover.
There was also a break in production during the war years, from 1942 to 1946 - priorities‽
Re-emergence of some BAYKO parts such, as Domes and Pinnacles, was restricted before 1949.
All the dates quoted [above and below] are production date estimates.

Rarity Level Codes
The codes within the fourteen coloured columns in the table below are intended to give you a quick assessment
as to just how easy, or otherwise, the different colour variants are to acquire to boost your collection.
C = Common
U = Uncommon
R = Rare
V = Very Rare
? = Do they exist?
For Red background items, these codes are in white ink, purely for legibility.

Click here if you are having trouble printing these tables.

BAYKO Plastic Parts Availability Dates
& Colour Variant Identifiers of Rarity Levels

The multi-coloured key, [right and down] is only a simple guide.

It forms a shorthand guide to the shades of material which have been used to produce BAYKO parts over the years.

Please don't regard the colours as being exact - they are software dependant and are for guidance only.

Blue and Green pale, translucent Bases are omitted.

                            
GREY
                           
                           
                           
                           
                           
                           
Part # PLIM
Part # MECC
BAYKO PART NAME
[Plastic Parts]
LIFE SPAN
                            
COMMENTS
?43?
B2
1958 onwards
              
C
            
& C Silver
11
B4
Arch
Continuously
C
C
  
R
R
R
    
U
    
C
U
  
& R White Pre-war
   
Balcony - Centre
c 1949
                        
V
  
Never released for sale to the public
   
Balcony - Left
c 1949
                        
V
  
   
Balcony - Right
c 1949
                        
V
  
33
  
Balustrade
1949 to 1959
                        
C
    
42
  
Balustrade - Gate
1950 to 1959
                        
C
  
Sold as a pair or set
42
  
Balustrade - Matching Brick
1950 to 1959
                        
C
  
1
  
Until 1939
C
                          
& R Mottled Green
V Mottled D Green
1B
B12
1939 onwards
      
R
U
C
  
C
  
C
        
& V Pale Blue or Green & Mottled Dark Green
& U Mottled Green, Dark Grey
19
B16
1938 onwards
      
C
      
U
V
  
U
C
V
    
4
B18 B20
Continuously
C
C
            
U
    
C
C
  
& U 'Flanged'
35
  
Brick - Corner
1949 to 1959
                      
C
C
  
Initially White only - 4 months
26
B26 B28
Brick - Curved
1938 onwards
  
C
            
R
    
C
C
    
27
B30 B32
Brick - End
1939 onwards
  
C
            
R
    
C
C
  
& U 'Flanged'
6
  
Until 1940
C
C
            
U
    
C
C
    
5
B34 B36
Brick - Half
Continuously
V
C
            
U
    
C
C
  
& U white 'Flanged'
5L
B38 B40
Brick - Long
1939 onwards
  
C
            
R
    
C
C
  
& U 'Flanged'
39
  
Brick - Side
1949 to 1959
                      
C
C
    
33
  
Brick - Wall
1949 to 1959
                       
C
    
9
B80
Canopy
1935 onwards
C
            
R
U
    
C
      
9
  
Canopy / Door / Panel
1934 to 1935
R
                            
16/3
  
1935 to war
                
U
      
U
  
Often omitted from literature
16/6
  
1935 to war
                
U
      
U
    
16/9
  
1935 to war
                
U
      
U
    
10
  
Chimney (Plimpton)
Until 1959
C
              
U
    
C
    
Modified for Aerial 1958
 
B82
Chimney (MECCANO)
1960 onwards
                      
C
      
41
  
Chimney - Small
1950 to 1959
                      
C
      
37S
B84
Crazy Paving
1949 onwards
              
C
  
C
        
& C Grey/Green
 
B202
Display Shelf
1962 onwards
  
C
                          
Part # PLIM
Part # MECC
BAYKO PART NAME
[Plastic Parts]
LIFE SPAN
                            
COMMENTS
20
  
1938 to 1959
                
V
  
U
C
C
  
Restricted post-war availability until 1948
8
B94
Door†
Continuously
    
U
C
C
C
C
          
U
C
  
?45?
B96
1959 onwards
        
C
                
C
& U Yellow
+ White Bricks
15
  
1938 to 1939
                      
?
U
  
Sold in 3s as “Pillars - 3 Section”
15M
  
Pillar 2-Brick
1949 to 1959
                        
C
    
15L
B130
1935 onwards
U
C
            
R
    
U
C
  
& known as Columns
18
  
Pinnacle - Platform
1938 to 1959
                
V
  
U
C
C
  
Restricted post-war availability until 1948
17
  
Pinnacle - Roof
1938 to 1959
                
V
  
U
C
C
  
14
  
Platform
Until 1940
C
              
U
    
C
      
?44?
B140
Ramp
1958 onwards
              
C
  
U
          
 
B198
Roof - Dormer
1962 onwards
      
C
                    
3 part set incl. window piece
 
B198
Roof - Dormer - Unit
1962 onwards
      
C
                    
30
  
1947 onwards
                      
C
    
Sold in pairs
30
  
Roof - Flat - Diamond
1946 only
                      
C
    
Sold in pairs
31
  
Roof - Gable
1949 to 1959
                      
C
      
3
  
Roof - Large
Until 1959
C
    
?
              
C
    
& U Mottled Green
2
  
Until 1959
C
    
V
              
C
    
& U Mottled Green
 
B145
Roof - Pantile B
1962 onwards
                      
C
    
Sold in pairs
 
B147
Roof - Pantile C
1962 onwards
                      
C
    
 
B149
Roof - Pantile D
1962 onwards
                      
C
    
28
  
Roof - Small
1939 to 1959
      
?
              
C
    
Possible V Mottled Green
 
B142
Roof - Tiled - A
1960 onwards
      
C
                    
Sold in pairs
 
B144
Roof - Tiled - B
1960 onwards
      
C
                    
 
B146
Roof - Tiled - C
1960 onwards
      
C
                    
 
B148
Roof - Tiled - D
1960 onwards
      
C
                    
29
  
1946 to 1959
                        
C
  
Sold in pairs
 
B162
Roof End - Boarded - A
1962 onwards
C
                          
Sold in pairs
 
B163
Roof End - Boarded - B
1962 onwards
C
                          
 
B164
Roof End - Boarded - C
1962 onwards
C
                          
 
B165
Roof End - Boarded - D
1962 onwards
C
                          
Part # PLIM
Part # MECC
BAYKO PART NAME
[Plastic Parts]
LIFE SPAN
                            
COMMENTS
32
  
Roof End - Long
1949 onwards
                        
C
  
Sold in pairs
 
B150
Roof End - Rendered - A
1960 onwards
  
C
                    
U
  
Sold in pairs
 
B152
Roof End - Rendered - B
1960 onwards
  
C
                    
U
  
 
B154
Roof End - Rendered - C
1960 onwards
  
C
                        
 
B156
Roof End - Rendered - D
1960 onwards
  
C
                        
 
B158
Roof End - Waney Edge - A
1962 onwards
  
C
                        
Sold in pairs
 
B159
Roof End - Waney Edge - B
1962 onwards
  
C
                        
 
B160
Roof End - Waney Edge - C
1962 onwards
  
C
                        
 
B161
Roof End - Waney Edge - D
1962 onwards
  
C
                        
   
Screwdriver - Metal
Until 1947?
                            
Metal only
   
Screwdriver - Plastic
1947? onwards
      
U
  
C
  
C
      
U
    
& U multi-colour spotted
36
  
Span
1949 to 1959
                        
C
    
12L
  
Steps - Left
Until 1940
C
              
U
    
C
?
    
12R
  
Steps - Right
Until 1940
C
              
U
    
C
V
    
12S
  
1939 onwards
              
C
R
C
  
C
V
    
21
  
1938 to 1959
                
V
  
U
C
R
  
Restricted post-war availability until 1948
23
  
1938 to 1959
                
V
  
U
C
R
  
 
1938 to 1959
                
V
  
U
C
R
  
22
  
1938 to 1959
                
V
  
U
C
R
  
7
B190
Until the war
      
C
    
C
          
U
  
8-pane style
7
B190
Window†
1939 to 1959
    
U
C
C
C
            
R
  
4-pane type
7
B190
Window
1960 onwards
                          
C
2-pane type
25
B192
1938 to 1959
V
  
U
C
C
C
    
V
      
R
  
2 x 4-pane type
25
B192
Window - Curved
1960 onwards
                          
C
2 x 2-pane type
 
B198
Window - Dormer
1962 onwards
                          
C
3 part set incl. roof pieces
 
B196
Window - French
1962 onwards
                          
C
Cream bricks
7L
B194
Window - Large †
1939 to 1959
    
U
C
C
C
            
R
  
6-pane type
7L
B194
Window - Large
1960 onwards
                          
C
2-pane type
40
  
Window - Opening
1950 to 1959
          
C
                  
 
B200
1962 onwards
                          
C
Red bricks
38L
  
Window - Side - Left
1949 to 1959
        
C
C
                
Sold as a pair
R if no L or R on the window
38R
  
Window - Side - Right
1949 to 1959
        
C
C
                
Part # PLIM
Part # MECC
BAYKO PART NAME
[Plastic Parts]
LIFE SPAN
                            
COMMENTS
The multi-coloured key, [right and up] is a only a simple guide.

It forms a shorthand guide to the shades of material which have been used to produce BAYKO parts over the years.

Please don't regard the colours as being exact - they are software dependant and are for guidance only.

Blue and Green pale, translucent Bases are omitted.

                            
                           
                           
                           
                           
                           
                           
GREY

† Doors, Windows, Curved Windows and Large Windows all exist in 'mottled' versions of both the APPLE Green and LIGHT Green colours…
…click here for more information on mottled BAYKO.

Click here if you are having trouble printing these tables.

The codes within the fourteen coloured columns in the table above are intended to give you a quick assessment
as to just how easy, or otherwise, the different colour variants are to acquire, in order to boost your collection.
C = Common
U = Uncommon
R = Rare
V = Very Rare
? = Do they exist?
For Red items, these codes are in white ink, purely for legibility.
This pink background [above] highlights the 3 separate parts which make up the complete Dormer Roof Unit set.

 
 
 
This Pink background [below] highlights parts which also formed Part of a
“Large Floor Divided”, as they were originally described.
If you move your mouse over highlighted part names [below] you will see their alternative names.

BAYKO Non-Plastic Parts Availability

Part # PLIM
Part # MECC
BAYKO PART NAME [Accessories]
LIFE SPAN
MATERIALS USED
COMMENTS
   
Until 1939
Brass, mild steel, mild steel with copper coating, or bright steel
Round ends and square ends
   
Base Link - Nuts - brass
Until 1939
Brass
Size 4BA
   
Base Link - Screws - brass
Until 1939
Brass
Size 4BA
 
B14
Base Link - Screws - steel
1939 onwards
Mild steel
Size 5BA
 
B14
Base Link - short
1939 onwards
Mild steel
5BA thread
   
Binding Strips
1935 to 1939
Thick Floor Material
  
 
B106
1938 to war
1948 onwards
Thick then thin
  
   
Floor -   8 x 11 holes
1938 to war
Thick then thin
Only in sets #21 to #23
 
B108
1941 to war
1948 onwards
Thin only
  
 
B110
Continuously
Thick then thin
Part of
“Large Floor Divided”
 
B102
Floor -  5 x 15 holes
1935 to war
1949 onwards
Thick then thin
  
 
B104
 Floor -  6 x 15 holes
1935 to war
1948 onwards
Thick then thin
Part of
“Large Floor Divided”
    Floor - 23 x 15 holes - Large
1934 to 1935
Thick only
  
 
B100
 Floor -   7 x   7 holes - Turret
Continuously
Thick then thin
  
 
B120
Glazing - Sheet
Mid 1950s to 1959
Transparent film
  
 
B122
Glazing - for B190
1960 onwards
Transparent film
  
 
B124
Glazing - for B192
1960 onwards
Transparent film
  
 
B126
Glazing - for B194
1960 onwards
Transparent film
  
 
B48
Rod ½-Brick
1946 onwards
Mild steel, hollow tube, aluminium, bright steel

Dates in this section refer to the range of Rods included in sets.

Except for ½-Brick Rods, they were continuously available separately.

I don't know, for certain, the exact range of lengths which were made from the
hollow tube.
 
B50
Continuously
Mild steel, hollow tube, aluminium, bright steel
 
B52
Continuously
Mild steel, hollow tube, aluminium, bright steel
 
B54
Continuously
Mild steel, hollow tube, aluminium, bright steel
 
B56
Continuously
Mild steel, hollow tube, aluminium, bright steel
 
B58
Continuously
Mild steel, hollow tube, aluminium, bright steel
 
B60
Continuously
Mild steel, hollow tube, aluminium, bright steel
 
B62
Continuously
Mild steel, hollow tube, aluminium, bright steel
 
B64
Until 1959
Mild steel, hollow tube, aluminium, bright steel
 
?B66
Not in sets
Mild steel, hollow tube, aluminium, bright steel
 
?B68
1935 to 1938
Mild steel, hollow tube, aluminium, bright steel
 
?B70
Not in sets
Mild steel, hollow tube, aluminium, bright steel
 
?B72
Not in sets
Mild steel, hollow tube, aluminium, bright steel
   
Special order
Mild steel, hollow tube, aluminium, bright steel
   
1939 onwards
Mild steel, copper / copper coated, thin floor, painted steel, bright steel
  
   
Ties Bars - Curved
1938 to war
Mild steel
Only in Sets #20 to #23
   
1938 onwards
Mild steel, copper / copper coated, thin floor, bright steel
  
Part # PLIM
Part # MECC
BAYKO PART NAME [Accessories]
LIFE SPAN
MATERIALS USED
COMMENTS

This Pink background [above] highlights parts which also formed Part of a
“Large Floor Divided”, as they were originally described.
If you move your mouse over highlighted part names [above] you will see their alternative names.
 
 
 
 
Below here are links to related info : -
 
Click on any of the links below for related information.
   
   

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