Adjustable Temperature With just a 2-3 minute warm up time & LED light indicators, you'll be ready to create in no time. Control Ensure total control of temperature and plastic flow/ size by using the buttons and speed slider. Comfort Ergonomic buttons allow for ultimate comfort - even when working on large creations. Easy to Use Our removable nozzle ensures the continuous flow of plastic & seamless creation. Hold the pen at a 65 degree angle for best results.