:Marble Building Set for Kids Both Boys and Girls Ages 3 and Up;Enjoy Building Various Tracks and See Marbles go up,Down,all around,and Fast

-Various games to play,it can develop hand-eye coordination,logical thinking,creativity,color and shape recognition,spatial imagination ability,patient and problem-solving skills.

-The Marble Runs Toy Blocks Made from High Quality ABS Material.

-Absolutely Non Toxic!Make it safe for child to DIY with smooth hand-feeling

-The process of building these block together can enhance the feelings among them and help them to get a wonderful memory together.