Allows children to learn about cause and effect and simple principles od mechanics. Build a base by attaching the interlocking plates and attach gears to form a chain reaction. Turn the handle to set everything in motion.
Sale: $19.95
Allows children to learn about cause and effect and simple principles od mechanics. Build a base by attaching the interlocking plates and attach gears to form a chain reaction. Turn the handle to set everything in motion.
Sale: $19.95
