Description: Kids Puzzle Toy: Wooden children ball track build blocks 3~6 years old wooden assembly building marble ball three dimensional perception game toys Educational Learning Toy: Visual tracking, coordination, double PK, logical thinking Wooden Marble Run for Kids: High quality pine, wood grain, fine and hard wood, strong impact resistance, fine grinding, smooth surface without burrs Marble Track Maze Game: Parent child interaction, spend good leisure time together, parents accompany their children build difficult shapes, exert their imagination and sense of space, and exercise their children's tenacious willpower Details: Fine cutting process, uniform size and beautiful build blocks, rich colors, easier to attract children's attention Specification: Material: Pine Wood Size Chart: Ball Diameter: 1.5CM/0.59inch Package Includes: 1 Set Wooden Marble Track Block Toy(include 33pcs) Note: 1. This is not infant toy , please take away from kids avoiding eating. 2. Please allow slightly error due to manual measurement. 3. Due to difference between different monitors, the picture may not reflect the actual colour of the item. 4. Wish wonderful online shopping!