Hape Quadrilla Stack Track Bucket Set (E6027), Multi colou

BUILDABLE TRACK: Quadrilla stack track lets your child compete in a marble race with a track they've built themselves LEARN STEAM PRINCIPLES: Great for developing spatial thinking and an understanding of science, technology, engineering, art, and mathematics or STEAM principles EASY CLEANUP: All pieces in this set can be easily cleaned with a damp cloth and are best kept in a dry place and out of direct sunlight USE WITH OTHER SETS: Bucket set can be used with other Quadrilla sets and stacked on top of each other for easy storage INCLUDES: 22 building blocks, 3 gaskets, 5-hole shutters, 9 accelerators, 1 big twist, (2) 3-hole strips, 5 small curved tracks, 1 blue see-saw, 1 rotatable tower, and 25 marbles, Manufacturer: Hape