The latest version of the world’s first 3D Printing Pen: Dual-drive technology features improved power durability and reliability for anyone ages 14+. No Learning Curve: No complicated software or hardware learning curve. Just plug in, turn on, add plastic, and begin creating! Safe and Environmentally Friendly: You can extend your fun with 3Doodler Create refills that are BPA-free, non-toxic, industrially compostable, and/or recyclable! Add-ons: Create cool new textures and designs with the 3Doodler Create+ Nozzle Set