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Power Screw
$78.80
1
Description
Seven working machines, including a dumper truck, a scissor lift, and a pressing machine. Each shows how a power screw converts spin into lift and push, and 200+ versatile parts keep the inventing going long after the manual runs out.
What's Inside?
- 200+ Premium Blix Building Parts
- Step-By-Step Instruction Manual
- 3V Battery Box
- DC Motor