Play Arts and Crafts: Be Cool Scooby-Doo for free on Boomerang! Get your creative groove on with Scooby, Shaggy, Velma and all your other favourites from Be Cool Scooby-Doo. With six backgrounds to choose from, you can draw, paint, stamp, or just go crazy with our super cool stickers! Remember, Arts and Crafts: Be Cool Scooby-Doo is only on Boomerang.