Using ultralight plastic and bamboo parts, build a helicopter, fan boat, airplane, car, and catamaran. Learn how the elastic material stores energy and then releases it to move the models.
Rubber Band Racers
I lager
149 kr
Fly into physics fun with five models driven by an awesome rubber band powered propeller.
| Regelspråk: | Engelska |
| Ålder (från): | 8 år |
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