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Thames & Kosmos Mega Cyborg Hand STEM Experiment Kit $15.49 (Reg. $44.95) – 3.2K+ 4.5/5⭐

Mea, Senior Editorial Writer Less than a minute ago | The links in the post below may be affiliate links. Read the full disclosure

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Hop over to Amazon and get a deal on Thames & Kosmos Mega Cyborg Hand STEM Experiment Kit, which lets kids build a giant hydraulic-powered hand that actually moves and grips. It’s adjustable for different hand sizes and gives a fun, hands-on introduction to hydraulic and pneumatic systems. With a strong 4.5-star rating from 3,237 reviews, it’s a standout pick for science-loving kids who enjoy building things that really work. You can get this for the same price at Walmart.

Thames & Kosmos Mega Cyborg Hand STEM Experiment Kit $15.49 (Reg. $44.95) – 3.2K+ 4.5/5⭐

Create a fully functional mechanical hand you can control with your own fingers
Operates using hydraulic pistons powered by air and water—no motors or batteries required
Adjustable finger joints allow precise movement and gripping of objects with real lifting power
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