| Brand | Hardware Science |
|---|---|
| Age Level | 12-16 Years |
Check the listing for details. Hardware Science Catapult Kit Model 38590 STEM Project Ages 12+ Onager Physics. Condition: New. Listed at 6.68 USD. The kit uses tension from arubber band to launch projectiles and features laser-cut wooden parts for precise assembly. Design: Based on theOnager catapult, a torsion-powered siege engine used by the Romans.
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