How cool is it that the mainspring stores energy, then converts it to motion? Discover the physics of potential and kinetic energy and the inner workings of gears and springs as you assemble the different mechanical devices. No batteries or electricity required, these models are self-powered and super cool. Follow the detailed instructions and you'll wind up winding up a robot, racecar, and timer.
From Thames & Kosmos, for ages 6-12 yrs.
Watch the Video:
WARNING: CHOKING HAZARD - Small parts. Not for children under 3 years.Product Specifications
- Brand: Thames & Kosmos.
- Item Number: 210000173773.
- Manufacturer Number: 550038.
- UPC: 814743015692.
- Recommended for ages : 6 to 12.
- Weighs approximately: 7.00 pounds.
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-Shipping Estimate
| Local Pickup at Pick Up at Menlo Park Store after 24 HOURS: Ready after 24 HOURS for most orders in stock at this location | $0.00 | |
| Local Pickup at Pick Up at Los Altos Store after 24 HOURS: Ready after 24 HOURS for most orders in stock at this location | $0.00 | |
| UPS | $0.00 | Zip code required. |
| Local Delivery, Mon-Fri - ONLY to local Cities in/near Menlo Park where we deliver, See Shipping Information | $10.00 | |
| US Value Shipping | $15.00 |
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