Designed With No Hot Parts, Completely Safe For Kids Aged 6+. Pen Nozzle And Plastic Can Be Touched With No Burn Risks. Uses Only The Safest 3Doodler Start Plastic Filaments! Slimmer And Easier To Hold, Charges 50% Faster, Has 50% More 3Doodler Start Filament, 10 New Stencils And An Added Safety Stand-By Mode. All These Upgrades Are Made For The Best 3D Drawing Experience! "