Description: The voice-activated light model kit can help your child practice excellent hands-on skills while having fun. They will also learn more about sound control transmission and reception, the role of gears, and the principle of electric motors during assembly The plastic and electronic components in the product are specially designed for scientific experiments and are safe. Children can experiment with confidence. The wood in the product is also environmentally friendly and can be colored freely. For children who like to create their own unique toy, this is an additional reward. Educational car toy is made of high quality wood material. The length of the product is 8 cm, the width is 5 cm and the height is 12 cm. This product is suitable for kids. Item Name: Sound Control Light Material:Wood Batteries: 2x AA Batteries (Not Included) Size:8cmx5cmx12cm/3.15inx1.97inx4.72in 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 DIY Kit