Aerb Intelligent 3D Pen with LED Display,3D Printing Pen with USB Charging, 8 Speed Printing&Temperature Control, Interesting Gifts for All Age

Note: 1. The device is suitable for children over 8 years old and adults, children must be accompanied and monitored by adult when using the pen. 2. To avoid clogging the filament feeder inside, please cut the ending tip portion of the filament where you stop, because the melted part need to be cut off. 3. After connecting the wire to the pen, press the pause button and the pen will begin heati...