MUSIC CIRCUIT Science & Educational Hape Quadrilla is a high-quality

Hape Quadrilla is a high-quality wooden marble run construction system

Product dimensions: 31

reviving puzzle fun

SMOOTHER THAN EVER: The new Rubik’s Master is the smoothest model yet

Each Cracker Contains: Deluxe Gift / Motto / Marty Hat / Snap

MUSIC CIRCUIT Science & Educational Hape Quadrilla is a high-qualityDescription Its a science experiment, a technology lesson, and an art project. all in one box! Use the included conductive tape to construct a pencil piano, a giant floor piano, or a piano using potatoes and other fruits that conduct electricity. Circuit box requires 3 AAA batteries (not included) and measures 5. 25 wide. Some household materials (aluminum foil, forks, potato) required but not included. Age: 5 years+ Product Size (cm): 23. 5(L)x27.