Quadrilla marble run with storage bucket, including 22 building blocks in various colours, accelerators, a big twist, curved tracks, a blue see-saw, a rotatable tower, and 25 marbles in a cotton bag. The bucket and its reversible lid become part of the track, and sets stack together for easy storage. Great for developing spatial thinking and STEAM skills. Size: 44 x 27 x 18.5 cm. Ages 4+.