{"product_id":"stem-wall-kinetic-ball-trax-209pc","title":"Masterkidz STEM Wall Kinetic Ball Trax Marble Run – 209 Pieces with Dominoes \u0026 Gears, Educational STEM Toy for Kids (Ages 3+)","description":"\u003cp data-start=\"651\" data-end=\"1088\"\u003eThe Masterkidz STEM Wall Kinetic Ball Trax Marble Run is a dynamic 209-piece set that provides children with the ultimate STEM learning experience. This educational toy encourages young engineers to design and build their own marble tracks, experimenting with gravity, momentum, and chain reactions. The set includes dominoes for satisfying falls, direction changers for tricky corners, and motion gears for creating complex systems.\u003c\/p\u003e\n\u003cp data-start=\"1090\" data-end=\"1486\"\u003eDesigned for integration with Masterkidz STEM Walls, the Kinetic Ball Trax allows children to work vertically, while the STEM Building Brick Baseplate (sold separately) enables them to extend their creations onto tables and floors for even more room-spanning designs. With pieces in 5 translucent colours, the set provides endless opportunities for hands-on learning and imaginative play.\u003c\/p\u003e\n\u003cp data-start=\"1488\" data-end=\"1746\"\u003ePerfect for children aged 3+, this set makes learning physics concepts like cause and effect, motion, and energy fun and interactive. Watch your child discover the joy of STEM through creative play and experimentation. Order today and let the building begin!\u003c\/p\u003e\n\u003cp\u003e *Compatible with \u003ca href=\"https:\/\/masterkidz.cn\/collections\/masterkidz-stem-wall\"\u003estem wall\u003c\/a\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cem\u003e\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Masterkidz Education","offers":[{"title":"Default Title","offer_id":42641467277373,"sku":"ME15136","price":339.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0635\/6513\/5933\/files\/ME15136_1.jpg?v=1762921689","url":"https:\/\/masterkidz.cn\/fr\/products\/stem-wall-kinetic-ball-trax-209pc","provider":"Masterkidz","version":"1.0","type":"link"}