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.
* STEAM PRINCIPLE DEVELOPMENT: Helps to develop spatial thinking and an understanding of Science, Technology, Engineering, Art and Mathematics principles.
* BELL SOUND EFFECT: Bells add a new sound effect to the marble run experience
* TRANSPARENT RUNS: Watch as the marbles race down the puzzle maze with the unique transparent runs that reveal the running marbles
* ROATATING TOWER ADDS EXTRA FUN: Rotary tower releases marbles one at a time when the flag is turned
* AWARD WINNING: 2018 Oppenheim Toy Portfolio Gold Awards in USA and 2018 A Parents' Choice Gold Award in USA