Description: 1. Parents can make it together with their children and experience the production process from scratch to make their children love science from childhood. 2. Develop intelligence, use your brain and exercise your brain to learn knowledge. 3. Use healthy and high-quality materials, rest assured and pollution-free. Specifications: Product material:wooden Product color:White Product size:9x10x13CM Product List:3D holographic projector Notes: Please allow slight dimension difference due to different manual measurement. Please note that slight color difference should be acceptable due to the light and screen. Note: 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.