Features of 3Doodler Create PLA 3D Printing Filament Refill Pack (X25 Strands, Over 200. of Extruded Plastic!) - Clearly Springtime ??Smooth 3D drawing experienced the best 3D drawing experience by only using 3Doodler Create Plastics with 3Doodler Create+ and create 3D Printing pen. | ??Safe to use?the 3Doodler Create Plastics, conforms to the health requirements of ASTM-D-4236 & require no additional labelling in accordance with the US Consumer Product safety Commission�s Regulations as mandated by Labeling of Hazardous Art Materials Act (LHAMA). | ???Great for doodle on hard surfaces?doodle on windows and metals! It holds well to clothing too! | ???Environmentally friendly?3doodler create Plastic is made of corn and are 100% compostable! | ??25 strands of doodling fun?this pack contains 25 Filament of 3D drawing and doodling fun! Each strands extrudes up to 8 feet of doodle. | ???The 3Doodler app?get an interactive experience! The app is packed with dedicated easy to follow stencil section and step by step interactive instructions, receive badges for completed projects and photograph & share YOUR creations directly on social media. The app is fully built on iOS & Android.