1. Projection Picture-90 degree rotation projection lens. 8 patterns Wild animal,vehicle,Fruit, Insects,Dinosaur,Sea Animals changes at anytime, anywhere. 2. It can be projected onto walls or ceilings in the dark. Reasonable projection distance is about 50-150 cm, rotating to adjust the definition. 3. HOW TO USE- The slide rail can be replaced by simply sliding the plastic cover. Then insert the selected disc and rotate or adjust the disc to view the projected image. 4. Early education of toys and bedtime stories: let children understand common sense in optics. The images projected at different distances will look different, which is amazing! A multi-mode game, play and learn, stimulates children’s curiosity and imagination. The best parent-child interaction puzzle for early education, light-emitting, bedtime story, children’s and girls’ toys. 5. Safe and Durable materials: It is made of high-quality environmentally friendly ABS materials, and the smooth edges will not hurt children’s small hands.