Smithsonian Perpetual Motion Machine - 7402
| Article number: | 7402 |
| Availability: | In stock |
| Delivery time: | In Stock! |
Curious kids learn about properties of physics and the capabilities of electromagnets by building their own "perpetual" motion machine powered by an invisible magnetic field. Includes a color poster and full instructions.
Details
- Ages 8+
- Plastic
- 10.75" x 1" x 9.5"
- Requires 4 AA batteries (not included)
- Made in China