3Doodler Start Mega Box Set 3D Printing Pen - Designed for Young Creators - Doodle Anything in 3D 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. 3D ART MADE EASY FOR KIDS: Plastic hardens rapidly allowing kids to literally draw in the air with only one speed and one temperature. NO RISK PURCHASE: 360 days FREE replacement policy and unrivaled 24-hour global customer service. PERFECT FOR STEM LEARNING: As a tactile learning toy, the 3Doodler Start inspires creativity, design, planning, building and spatial understanding. COMPLETE 3D PEN KIT: Each box includes 3Doodler Start 3D Pen, 8 Mixed-color Packs of Eco-Plastic, 8 Unique Doodleblocks, Micro-USB Charger, Activity Guide + a ton of creative potential!