Puff Tablet Science Frame - Erasable Writing Tablet, Magic Slate Easy to use. Great for games. No Ink = No Mess No batteries or special devices needed. Lightweight and durable. Surface dirt wipes off easily. No messy paper clean-up. Fun for all ages. Large enough to write on and small enough to carry. Excellent Gift Item. Ideal for long car rides. Best of All - You and your family will love it.