Marble Run Building Blocks Classic Big Blocks STEM Toy Bricks Set

Barcode number : 6971236140706 Block Size : Small building blockCompatible with Lego Barcode : Yes Certification : CE Gender : Unisex Plastic Block Shape : Self-Locking Bricks Plastic Type : ABS Material : Plastic Origin : Mainland China Recommend Age : 12+y Intellectual Development, Challenge and Amusement: Marble Run Building Blocks inspire creativity and curiosity ,Enhance imagination ,shape recognition and spacial three-dimensional thinking ability.DIY and building your unique set Complete Build amp;Play Multiple Fun Game Set: Perfect set which can make vary simple and complex tack models.Making it fit for kids of different ages.Besides it can compatible with other brand blocks Steady Assemble and Smooth Marble Run The blocks is smoothly