3Doodler Start 3D Printing Filament Refill Bundle (4 Packs of Plastic) - Summer Splash , Compatible with Start 3D Pen for Kids;

A special 4-pack bundle of 3Doodler Start Refill Plastic, including Glow in the Dark! That's a total of 96 strands of plastic for hours and hours of fun-packed Doodling.