Check the listing for details. Teach Tech Rivet-Rex Robot. Condition: New, Made in United States - US. Listed at 17.99 USD. •BUILD WORKING ROBOTS: Teach your kids STEM skills in a way they can't resist! Designed for kids 10+, this kit will guide your learner through the process of building real, working robots - taught in a way that they'll understand! •POWERED BY THE SUN: Use the power of the sun to control 12 different robots. Have an endless amount of fun building, rebuilding, and learning about solar power - no batteries required. •10+ DESIGNS IN 1 KIT: 12+ different robots included that can mimic animal movements. Once you have completed all 12 model builds, use your creativity and try your own constructions. •NOT JUST ROBOTICS: With TEACH TECH Kits, the learning doesn't stop at robotics.•BUILD WORKING ROBOTS: Teach your kids STEM skills in a way they can't resist! Designed for kids 10+, this kit will guide your learner through the process of building real, working robots - taught in a way that they'll understand! •POWERED BY THE SUN: Use the power of the sun to control 12 different robots. Have an endless amount of fun building, rebuilding, and learning about solar power - no batteries required. •10+ DESIGNS IN 1 KIT: 12+ different robots included that can mimic animal movements. Once you have completed all 12 model builds, use your creativity and try your own constructions. •NOT JUST ROBOTICS: With TEACH TECH Kits, the learning doesn't stop at robotics.