ailixinda 50 PCS Marble Run enhanced Set STEM Educational Building Block Toy Marble Track Race Set with 15 Glass Marbles for Boys & Girls Marble Maze Game Construction Building Blocks Toys for Kids

This marble run building block set toy comes with simple assembly instructions so children can freely create models according to their imagination. Some parts are translucent allowing you to clearly see all the trajectory of the marble as it rolls off the top of the building. You can also participate in building running blocks with your children to help them train their eye-hand coordination and establish a better parent-child relationship with them in a happy environment. Package Includes: 35 marble building pieces + 15 glass marbles Warm Tips: 1.Contains small parts and is not suitable for children under 3 years old. 2. Please be careful not to let your child swallow the ball