Escape from the castle's rotary tower with this exciting Quadrilla set featuring two transparent stairways. As the marbles make their way down the rail they sound three hanging bells.

The Quadrilla castle escape is one of several types of marble runs in the Quadrilla line. There are endless possibilities for 3-D thinking and engineering development. Hape Quadrilla marble runs help children to develop spatial and reasoning abilities and has even been highlighted as a developmental tool for computer programming by the wall street journal. Designed to engage kids in early STEAM development, The Quadrilla system encourages problem-solving and keeps little engineers coming back for more fun!