This game has 270 pieces and it applies the law of gravity. The wire tracks require kids to keep on testing and adjusting their assumptions as they build their own amazing marble passages. This game can build a motorized elevator which makes the marbles run over and over.

• Encourages kids to more accurately combine their exposition with prior learning.
• Colored step-by-step instruction leaflet included.
• Operated by 2 "AA" size batteries(not included).
• Compatible with "Odyssey" game sets.
• Suitable for aged 8 or above.