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Official Smithsonian-Licensed Robo-Spider. Build your own motorized robot spider! The Smithsonian Robo Spider STEM kit offers an engaging introduction to robots and gears, allowing you to study the way spiders actually crawl. Assemble gears and wire the terminals, then attach legs and install a battery. Eight multi-jointed legs duplicate the walking...
A fun way to teach your kids how rocks and minerals are formed The set also helps your kids identify gemstones and minerals The tools are cute and that will make any kid take an interest in geology Makes for a great gift for birthdays and Christmas Age 8 and Up