Catalog: Parts: DUPLO, Brick: 1970: Color Images
Duplo, Brick Round 4 x 4 x 1 1/2 Dome Bottom with 2 x 2 Studs
White
by axaday
Red
by jennnifer
Yellow
by BricksThatStick

Part Color Codes:

 Color  Code  By 
 White  6425542  1  axaday 
 Red  6421354  1  randyf 
 Yellow  6425543  1  randyf