Hape Castle Escape Quadrilla Wooden Marble Run Blocks

Escape from the rotary tower with this exciting Quadrilla set featuring two transparent vertical stairways.

Massive 102 piece set is interchangeable with other sets - quadrille components are fully interchangeable among sets and use Standard 5/8" Or 16mm marbles. Escape from this castle's rotary tower with exciting quadrille set featuring two transparent stairways. As the marbles make their way down the rail they sound three hanging bells while they are on their journey.

Helps to develop spatial thinking and an understanding of Science, Technology, Engineering and Mathematics (STEM) principles. Praised by the Wall Street Journal as the perfect toy for teaching children how to code.

Compatible with all Hape Quadrilla sets.

For ages four and over.