Features: Creative eco-friendly toy - develop your artistic skills and spatial thinking. Temperature adjustable, work with 1.75mm PLA and ABS filament. Sent with 3pcs PLA filament sample, each 3m long, random color. Slip the speed controller to adjust different speeds for drawing different shapes. Double clip the loading button to trigger auto filament loading. OLED screen give you a clear sight of working temperature and speed. Ceramic nozzle for using safely. Sent with a power adapter; And you can connect the USB cable to 5V 2A power pack to draw outdoor.