THE ONLY CHILD-SAFE 3D PEN: Designed with no hot parts, completely safe for kids aged 8+. Pen nozzle and plastic can safely be touched with no burn risks. Uses only the safest 3Doodler start BPA-free & non-toxic plastic filament.PERFECT FOR STEM LEARNING: The 3Doodler Start inspires creativity, design, planning, building and spatial understanding.3D ART MADE EASY FOR KIDS: The plastic hardens rapidly allowing kids to literally draw in the air with only one speed and one temperature. Just plug the 3D pen in, insert plastic, wait for the 3D pen to heat up and then you're good to Extrude!THE 3DOODLER APP: you can now doodle right on the screen using your 3Doodler start! Get an interactive experience, the app is packed with dedicated easy to follow stencil section and step by step interactive instructions.EVERYTHING YOU NEED: Complete 3D Pen Kit. Each box includes 3Doodler Start 3D Pen, 2 Mixed-color Packs of Plastic (48 Strands), Micro-USB Charger, Activity Guide + a ton of creative potential!