Includes a xylophone rail that plays a tune as marbles run over it
With two double-sided spiral twists, plus four special control blocks to randomly distribute marbles
Great for developing logical thinking and an understanding of Science Technology Engineering and Mathematics (STEM) principle
Description
Get more spinning and more surprises with this deluxe Quadrilla set. Includes a xylophone rail that plays a tune as marbles run over it, two double-sided spiral twists, plus four special control blocks to randomly distribute marbles.
