The perfect gift for children and adults: 3D printing pens are the perfect gift for children. They can help children improve their spatial thinking, cultivate creativity and artistic skills, and are also an excellent way for parents and children to spend quality time together. Environmental protection: Compatible with 3D pens PLA and ABS. Compared with ABS, PLA filament is more environmentally friendly. It is a corn-based plastic that is considered safer by 3D printing enthusiasts. Melting is non-toxic, tasteless and safer than ABS. Please do not use consumables from other manufacturers to avoid incompatibility. Adjustable temperature/speed: 3 printing temperature modes and printing speed modes are adjustable, and the advanced LCD screen clearly displays the corresponding speed: low speed (5-1), medium speed (5- 2) High speed (5-3), suitable mode can be selected according to the painting level. The LCD screen allows you to monitor the material temperature and extrusion speed while enjoying drawing a 3D model, which is convenient for you to draw indoors and outdoors. It is powered by USB port and can be charged by mobile power supply, computer, notebook computer, which is more convenient to use. (Ensure that the current is 5V/2A) Gift: 20 meters Consumables "all Products From Us Have Undergone Strict Quality Checks. if There Is Any Quality Problem Or You Are Not Satisfied With The Product contact Us. we Will Give You The Best Solution."