105pcs Children's DIY Toys Building Blocks Maze Track Marble Ball Toys Marble Runs Plastic Puzzle Educational Toys Boys and Girls Christmas Gift Promotes creativity with endless configurations. Long, winding track. Enhances fine motor skills, problem solving skills, and cause and effect learning, excellent educational baby toys. Pieces are fun and vibrant primary colors. Racing marbles from different starting points. Challenging 105 piece set! Size : 28*23*47cm.