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Electric Marble Stage


Build this mechanical bullet track and learn about the laws of motion!

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SKU: 4M0616 Categories: , ,



  • The battery powers the mechanism, which turns the worm on its axis. This turns the small gear slowly, which in turn turns the large gear. The large gear turns the drive gear which turns the spinning wheel. When a position on the wheel passes the bottom of the track, the ball falls into it. When the ball reaches the top it can drop and enter the spiral track. Gravity causes the ball to spin on the spiral track until it reaches the hole at the bottom.
General Characteristics
Weight  0,31 kg
Assembly  Yes
Batteries 2 – type: AAA
Package Dimensions (L x W x H) 24 x 22 x 6 cm.
Age 5+
Number of players 1+


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