Roller DerbyToy - 20--?
Colorful wooden balls, peek-a-boo holes and fast tracks create a 2-sided mountain of fun. Talk about concepts fast/slow and in/out as you watch the balls zoom down the board.
Characteristics: 1 ball game (4 pieces) :,wood, colour ;,42 x 10 x 33 cm
Alternative Title: Hape roller derby [toy]