Great fun marbles play set with music playing to let your kids enjoy the marbles rolling on the tracksThis building marble toys can help children develop hand-eye coordination, logical thinking, creativity, color and shape recognition, and spatial imagination.After the building is complete, Install 2 AAA batteries，you can watch the eye-pleasing marble adventure!Safe Marble Race Set for Kids. This marble building toy is made of solid transparent ABS, absolutely non toxic, not easy to break or snapped. Smooth edges avoid scratching hands. Marble madness pieces stay tight, not easy to get loose when play with it!
