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see-through Marble Run pieces allow you to see all the action
Educational Toy STEM Marble Run. This construction toy set comes with an easy assembly manual, kids need to think about the track direction, the shapes, and assemble it. All can help them develop hand-eye coordination, logical thinking, creativity, color and shape recognition, spatial imagination ability.
Safe Marble Set for Kids. This building toy is made of solid transparent ABS, absolutely non toxic, not easy to break or snapped. Smooth edges avoid scratching hands. Pieces stay tight, not easy to get loose when play with it!
Develop Patient and Problem-solving Skills. All parts must be connected correctly to make sure marbles pass through and arrive at the bottom. In the repeated assembly process, a child can gain basic knowledge and develop patient, problem-solving skill.
5 new & unique pieces not that are not available in any other Marble Genius online sets
U.WILL Marble Run Toy - 105 Pcs Marble Game STEM Learning Toy Educational Construction Building Blocks Toy Marble Set Gift for Kids 4 5 6 + Year Old Boys Girls - B0774RW6QC