Since our technology merry-go-round is handmade and simply design, it can be easy for your children to install and play. Featuring educational and novelty characteristic, our technology toy can help your children learn the knowledge and inspire their curiosity. It is constructed of wood material. The length of this product is 15cm and width is 15cm. It is suitable for children's intellectual development. Item Name: Experiment Toys Material: Wood Battery: 1 x AA Battery (Not Included) Features: Multifunctional, Fine Workmanship, Novel Size Details: L: 15cm/5.91", W: 15cm/5.91" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Experiment Toys Material Packaging