SAFE AND HIGH QUALITY MATERIAL: Compared with ordinary PLA filament, PLA filament is made of starch raw materials derived from plant resources, strong toughness, not easy to break, biodegradable and environmentally friendly, non-toxic and tasteless, no bubbles, safe for children and adults to use. EXCELLENT 3D PRINTING EFFECT: The 3D pen filament is shiny and smooth without tangling when printing. printing, easy to shape. The color of the object is bright and bright, and the visual effect is good. Our 20 popular pen colors are the best choice for your 3D artistic masterpiece. STRONG COMPATIBILITY: Universally compatible with most 1.75mm pens and 3D printers (dimensional accuracy +/- - 0.05mm). The PLA filament uses a printing temperature range of 320F to 392F, which allows for rapid formation without cracking or warping and does not clog the exit port. 20 UNIQUE COLORS : The 3D filament set includes 17 solid colors and 3 fluorescent colors, bringing you more fun and funky designs. ADDITIONAL GIFT: The kit includes 2 silicone finger covers, a drawing guide and a drawing guide. 3D printing and 1 heat resistant pad to help you get started with 3D printing. It's a great 3D pen kids starter gift for birthday, Easter, Children's Day, Christmas, DIY, arts and crafts.