Features: Creative Eco-friendly Toy--Developing kids\' artistic skills, spatial thinking, a great outlet tool for their creative talent but without flyblown metope. Adjustable Speed Temperature--stepless printing speed of ABS/PLA extrusion outputting, 160-235℃ printing temperature adjustable. Safe Operation--Heat-resistant ABS material pen body and safe pen nozzle temperature, it won\'t cause burning injury. Humanized Design--Easy to hold body shape, circle arc feeding port for ABS/PLA filaments inputting smoothly and prevent snapping off. Updated Technology--Built-in LED display shows the temperature. Ultra-silent creation--No fan design, with heat emission hole. Easy to Use Maintenance--2 button for filament forwarding or returning, with LED indicator, 1 button for dismantle the nozzle to maintain the pen.