?Creative gift 3D printing pen? Release children's creative instinct, help children improve their spatial thinking ability and creativity. At the same time, this 3D printing pen is also very suitable for parents and children to participate in co-creation and enjoy leisure time. It is a perfect gift choice ?Switch between automatic and manual mode? The missile 3D printing pen can have 6-speed temperature control and variable speed. At the same time, it can switch between manual mode and automatic mode. The manual mode only discharges when you press the button, which is easier to control than the automatic mode. No waste of printing filament, making creation more handy ?18-color PLA printing wire?This 3D printing pen is also equipped with 18-color PLA printing wire, which is an environmentally friendly and biodegradable material with high safety and can be used by children with confidence. At the same time, the 3D pen is also compatible with two modes of 1.75mm PLA and ABS filament ?USB port power supply?The 3D pen uses USB power supply. It can be used when connected to the power supply. It can be used for a long time without worrying about the lack of power. It can also be charged by a mobile power supply or a laptop, making it more convenient for you to draw indoors and outdoors ?Auto power off?After use, if 3D pen is not used within 80 seconds, it will automatically enter the sleep state, and the printing pen will start to automatically cool down. When Not In Use, Please Press The Return Button In Time To Exit The Printing Filament, The Residue Will Be Automatically Removed To Prevent Clogging Of The Pen Tip