UQTOO 312-Piece Bead Coaster Educational Toy Slope Looping Set for Kids - DIY Building Blocks, Indoor Play, Boys and Girls, Birthday Gift, Marble Run

[Large Set] A large set of 312 pieces in total: 251 parts (effective parts that can be used for assembly!), 63 balls (including 3 fluorescent balls), and a dedicated storage bag (easy storage) x 1 [Endless Ways to Play] A true Rube Goldberg machine toy. You can see children gradually learning to assemble logically as they play. It's fun to think about where the balls will go and assemble them. The basic way to play is to connect the grooves and create three-dimensional structures. There are a lot of parts, so there are many combinations possible. Children can assemble and disassemble repeatedly, and play creatively. The simple shapes of the building blocks will unleash your child's creativity endlessly! [Commitment to Safety] Made from high-quality plastic (food-grade ABS plastic) material and does not contain BPA. Play with peace of mind. Children's safety is our top priority! However, the accessories are very small. Suitable for children aged 7 and up. [Educational Play] The building block element helps to cultivate imagination. The parts are quite voluminous, allowing for many combinations. Children will enjoy repeatedly assembling and disassembling the blocks, encouraging creative play. The simple shapes of the building blocks will unleash your child's boundless creativity! As they track the ball with their eyes, it seems to help develop their spatial awareness. They will play with it intently, which may also help develop their spatial reasoning skills. [Quality Guarantee] In the unlikely event that there is a problem with the product, please contact us immediately. We can provide a free replacement or a full refund.