The 3Doodler Start+ Learning Pack Plastic Kit gives you 1,200 strands of 3Doodler Start plastic in mixed colors, for hours and hours of fun-packed Doodling! This pack is ideal for teachers looking for extra plastic to equip their 3Doodler Start Learning Pack or 3Doodler Start EDU Bundles. The 3Doodler Start Plastic is the only plastic compatible with the 3Doodler Start pen.Details:Includes an assortment of colors1200 strandsLow-temp, non-toxic, BPA-free, and biodegradableSafe for kids to usePlastic