Can be carried in a backpack. There is a pen slot design in the upper right corner of the board. You just need to align the top of the pen with the pen slot and slide it into the pen to avoid loss. It is your best partner for study, work and entertainment at home or on the go. Click the home button to clear the screen and begin the next creation. Click the "Lock" button to lock the screen to prevent accidental damage to the screen. LCD drawing boards support 100,000 writing times. No backlight, no blue light, no dust. Easy to use and the safe material, even small children can use it with confidence. The LCD table for drawing graffiti and learning math calculations. Drawing and graffiti will exercise children's right brains, stimulate children's imaginations and help stimulate creative thinking. Mathematical calculations exercise the left brain and improve mathematical calculation, thinking and analysis skills. Adults can also use it to take notes and reminders. The LCD writing board screen is pressure sensitive and the thickness of the writing line varies depending on the thickness of the pen. The writing position is different, the color is also different. The pen made of high quality ABS plastic, writes smoothly, does not damage the screen and can be recycled. The large 15-inch screen offers more space for painting. It is a spiritual education tool for the first child, there is also a draft school curriculum, office workers can use it as a conference book, and family members can use it to leave messages. Offer the best gifts and toys to your kids and friends.