Features: brand new and high quality Marble runs are the ultimate open-ended toy. Marbles run through the cube blocks with slanting holes and channels, and run along the tracks by gravity. Kids can easily follow the step-by-step guides that shows them how to build tracks, or challenge to create their own marble mazes, there's endless building possibilities. It helps develop co-operative skills of communication, discussion, negotiation, and compromise. Not to mention those all-important skills of patience and perseverance that are so vital to successful teamwork. As children construct and build more complex marble run tracks, they will face engineering and physics challenges creating a working route for their marbles.So, children will need to use imagination as well as spatial skills. It also helps develop good hand-eye co-ordination, fine motor skills and creativity. This item provides them with the visual concept of reading and writing from left to right. Multiplayer interactive game:Exploring institutions with your friend to enhance mutual feelings. Package Includes: 1 Set Marble Run Blocks Specifications: Material:Wood note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.