Includes 3 colors of PLA plastic to keep you Doodling for ages, as well as a power adapter, step-by-step manual, and a free stencil guide. Just plug in, heat it up and enjoy the fun of creating three-dimensional masterpieces. PLA is a versatile, easy-to-use printing plastic that is great for both first time and advanced users.The red light will turn on indicating warm up, this will take about 2-3 mins. Double click the forward button to start and feed the filament through the back.