Sale! Build your own catapult, trebuchet, and windmill, then make em move! Learn early STEM skills from engineering and design to force, motion, and more physics fun, then tweak your machines to solve the tricky STEM challenges!BUILD, test, and tweak your own ST
Build your own catapult, trebuchet, and windmill, then make em move! Learn early STEM skills from engineering and design to force, motion, and more physics fun, then tweak your machines to solve the tricky STEM challenges!
Cost: $25
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Delivery Time:
It usually takes [3-5] business days for standard shipping. Please note that this is an estimated time frame and may be affected by local holidays, and unforeseen circumstances.
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