New Track Ball Puzzle Assembled Children's Toys Technology Production Invention Toy Roller Coaster Building Blocks

describe: 100% Brand New and High Quality Material: Wood Colors: Natural Wood Color Size: 19CM/7.48IN (Length) x 16.5CM/6.50IN (Width) x 13CM/5.12IN (Height) Quantity: 1 set Feature: Educational and Entertaining: This 3D ball track model is not only a toy but also a great educational tool. It helps children to think logically and enhances their practical abilities. Inheritance of Ancient Wisdom: The product inherits the wisdom of ancient craftsman craft with its full structural physical assembly, using mortise and tenon process. Conversion of Energy: The model demonstrates the conversion of potential energy into kinetic energy, allowing the ball to roll from the bottom up. Stimulate Creativity: It boosts children's intelligence and stimulates their creativity through hands - on assembly and operation. Perfect for Kids: It is a great entertainer for children, providing hours of fun while learning.

Package Included: 1 × 3D ball track model

Note: Due to lighting and screen differences, the actual color may vary slightly from the images. Please allow a slight size difference of 0.5 - 2 cm due to manual measurement.