"The Rivet-Rex 12 kit contains unique components & parts to construct hydro-mechanical robots that operate like animals. After assembling a solar robot, young engineers can easily reassemble components into a different model. Detailed instructions allow for step by step fun. Once all 12 robots have been built, young engineers can use their creativity and try their constructions. These STEM robots are powered by direct sunlight, so no batteries required. Elenco Teach products are based on STEM activities (Science, Technology, Engineering, Math) to teach and encourage kids in their development, all while having fun! All Teach Tech Green-Energy robots are powered by either water, wind, or sun, so there are no batteries required. Perfect for future engineers ages 10+."
"The Rivet-Rex 12 kit contains unique components & parts to construct hydro-mechanical robots that operate like animals. After assembling a solar robot, young engineers can easily reassemble components into a different mo...
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