Marble Run Building Blocks Set, 175 Pcs Classic Big Blocks STEM Toy Bricks Set Kids Race Track Boys Girls Construction Roller Coaster with Slide for Toddler Gift Age 3,4,5,6,7,8+
Easy to assemble building blocks set with various amazing marble tracks with complete accessories and guidance manual, enjoy the marbles rolling up and down through the track quickly
Made of eco-friendly ABS, absolutely non toxic, Conform to ASTM F963 US Toy Safety Standards. Smooth edges avoid scratching hands. Compatible with other similar size blocks.
It is great toy for adult and child to participate in together, have hours of fun with parents!
The blocks is smooth-hand feeling and can stay together smoothly.
inspire creativity and curiosity ,Enhance imagination ,shape recognition and spacial three-dimensional thinking ability.
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