The 3Doodler Starter Set inspires creativity, design, planning, building, and spatial understanding. Just turn it on, insert an Eco-Plastic Strand and start doodling anywhere. Charge it up and operate wirelessly for 45 minutes to an hour of continuous use. Safe and clean with specially developed biodegradable, non-toxic plastic made in the U.K. that melts in low temperatures. There are no hot parts, messy resins or glue.