Features: Creative eco-friendly toy - develop your artistic skills and spatial thinking. With 3 filament loading holes, you can choose to extrude single color / Mix 2 or 3 colors for unique color effect. Temperature adjustable, work with 1.75mm PLA ABS filament. Printing speed adjustable for drawing different shapes accurately. OLED display show pen working status clearly. Dismountable design for easy maintainance. Sent with 3pcs PLA filament, 3m each, random color delivery.