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216PCS big marble runs toy encouraging children imaginations,explore their creativity,and improving problem solving skills. No fixed single assembly, loads of different attachments and ways of building to exercise kids fine motor skills and logical and sequential thinking.

Toys set for kids - This building toy is made of solid transparent ABS, absolutely non toxic, not easy to break or snapped. Conforms to toy safty ASTM F963 standards. Tested for Children's safety. Smooth edges avoid scratching hands. Pieces stay tight, not easy to get loose when play with it!

Learning toys STEM marble race designed to meet each stage of a child's development and encourage learning through play. Marble run makes learning fun, each of the different blocks has a different function help childrens practice their engineering thinking,develop hand-eye coordination, creativity, color and shape recognition, spatial imagination ability.

Perfect boys and girls toys - As a gift for your kids such as christmas and birthday also adults can play with kids,assembling these blocks with your kids and you can make wonderful memory together so enjoy the family time.

Marble race set - height tailor-made heights for learning build, kids play much more fun! Build various tracks and see marbles go up, down, all around, and fast! Tracks include centrifugal funnels, U-turn slides, windmills, straight slides and gradient slides. Any question please contact us.