SUMXTCH Marble Run Building Blocks, 255pcs Marble Maze with Elevator DIY Toys Marble Track Sets Educational Toys for Kids, Toddler STEM Toys for Boys Girls Child Age 3,4,5,6,7,8+

255pcs in multi shapes—255pcs building blocks with a spiral elevator (Manual & Auto) for circle racing. All parts are compatible with ALL MAJOR BAND on the market. 20 different types of action pieces, 30 scene pieces, and 5 animals for a more exciting and fun playtime. Sturdy tight-fit big blocks—Stick bricks to fit tightly and build a sturdy marble run, Big blocks make it safer and easier to grasp for younger kids. Made of high-quality ABS plastic this toddler marble run would be an excellent gift for kids to start exploring the world. Multi marble run models— The freshness never fades as there are hundreds of ways to put the blocks together, easy to gain more models’ manuals by scanning the code on the manual. Kids up to 3 can start with simple models and increase difficulty with their growth until they are 12 ages old. Educational STEM toys—Easy to attract kids' attention as it has an electric circle system, and easy to learn the physics of motion and gravity when playing with this Lego marble run toy. Unleash their imaginations and hands-on ability during DIY their building blocks marble maze. SUMXTECH service— SUMXTECH inspires to produce high-quality hands-on toys, and all products are backed by exceptional service. If any problems you meet please contact us.