Blendy Pens 72 Piece Mega Kit A non-toxic and washable art project for your kids Blendy Pens allows kids to fuse the markers together to create different color blends. Blendy Pens works by inserting 2 Blendy Pens into the Fusion Chamber and twisting, and then you've created Color Fusion! Create color fuzion, insert any two Blendy pens into the fuzion chamber and twist. In real life colors blen... so your markers should too! The Kit includes: 24 Blendy Pens, 12 Fuzion Chambers, 30 Posters, 2 Sticker Sheets, 2 Sticker Backgrounds and 2 Idea Booklets. Size: Large Type: Paints & Decals Color: Multi-Color Gender: Unisex