Children Multifunctional Projection Painting Toy Writing Board, wthout Watercolor Pen, Style: Dinosaur Blue1. Material: plastic 2. Power supply: 3 x AA batteries (not included) 3. Rotate the slide to project different patterns 4. Turn the knob to focus 5. The head can swing up and down to adjust the projection position 6. The drawing board can be wiped, writing clearly 7. Turn on the top switch, the first level of light, the second level of music 8. Detachable table corner, four point support, not easy to fall 9. Three placement methods, free to play 10.