From Brickipedia, the LEGO Wiki
|System → Supplementary063 (1, 2) << 064 >> 0064|
The set consists of five green one-brick high baseplates, which are 10 x 20 studs in size. Alternatively, instead of green, the set may contain three white plates and two blue.
- This set was manufactured by Samsonite and released only in the USA.