{"product_id":"green-science-salt-powered-robot","title":"4M Green Science Salt-Powered Robot STEM Building Kit","description":"\u003cp\u003eThis robot runs on salt water instead of batteries. Kids snap together the chassis, wheels, and motor, then mix up a saltwater solution to fuel the magnesium-air battery and watch the bot roll forward. The kit is part of the 4M Green Science range and focuses on alternative energy and eco-friendly power concepts through hands-on building and experimentation.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003ePowers a working motor using only salt water and a magnesium-air battery\u003c\/li\u003e\n\u003cli\u003eIncludes all parts needed to assemble the robot: chassis, wheels, motor, and battery components\u003c\/li\u003e\n\u003cli\u003eTeaches how clean energy sources can drive technology through real, visible results\u003c\/li\u003e\n\u003cli\u003eCombines construction skills with STEAM learning in science, engineering, and sustainability\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Flat River Group","offers":[{"title":"Default Title","offer_id":51472774332632,"sku":"G4893156033536","price":17.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0675\/0476\/7192\/files\/tavbfcnbiogoxejbjaam.jpg?v=1773461487","url":"https:\/\/www.toysrus.com\/products\/green-science-salt-powered-robot","provider":"Toys\"R\"Us","version":"1.0","type":"link"}