SUMXTCH Marble Run Building Blocks, 255pcs Marble Maze with Elevator Race Toys Track Sets Educational Toys for Kids, STEM Toys for Boys Girls Toddler 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 BRAND on the market. 20 different types of 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, made of high-quality ABS plastic thus it is kind for toddlers. Big blocks make it safer and easier to grasp for younger kids.
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. It must be the best gift for kids before school, 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 attach kid’s attention as it has a circle system, and easy to learn the physics of motion and gravity when playing with this building blocks toy. Unleash their imaginations and hands-on ability during DIY their marble maze. Installation video included for easier install the elevator correctly.
SUMXTECH service– SUMXTECH inspire to produce high-quality hands-on science toy, and all products are backed by exceptional service. If any problems you meet please contact us.