Features: 1.It can effectively cultivate children's interest in learning can also be used for teaching purpose, more intuitive and easy to understand. 2.Good combination of fun and learning, mobilizes enthusiasm and improve practical ability of kids. 3.Round and smooth edge without burrs, no need to worry about scratching kid's hands. 4.The kit can help children exercise their finger flexibility, problem-solving skills and hands-on skills during the assembly process. 5.This merry go round assembly kit is not a finished product but a separate material, so you need to assemble it step by step, you can enjoy DIY fun. specification:Condition: 100% Brand New Item Type: DIY Model Material: PP Plastic Color: As Pictures Shown Power: 2 x AA (Not Included) Science and Education Toy Type: Physics Capacity Building: Mind and Hand Applicable Age: Juvenile (7-14 Years Old) PackageList:1 x Set of Parts4 x Building Blocks1 x Base Plate1 x Battery Box5 x Corner Bracket1 x Bracket1 x Snowflake1 x Shaft1 x Soft Ruler1 x Hard Ruler1 x Shaft Frame1 x Clip4 x Angle Iron1 x Motor