521 All Bricks in All Colours was a DUPLO set released in 1975. The set contains 31 DUPLO pieces in red, yellow, green and blue including two wheeled car bases and four arch pieces.
521 All Bricks in All Colours was a DUPLO set released in 1975. The set contains 31 DUPLO pieces in red, yellow, green and blue including two wheeled car bases and four arch pieces.