Yucky -- Ever wonder why you burp, poop or your stomach gurgles? Sandlot Science Optical Illusions -- Interactive illusions, artwork, books, projects, puzzles, games and more! Today in History -- Check out what happened on today's date (or any date) in the past. Try your birthday! NEW !! The Disgustoscope -- A revolting, horrible, yet highly amusing little optical toy. Ooey, Gooey Recipes -- Make a singing cake, slime, monster bubbles, silly putty and more. Katerpillers and Mystery Bugs -- Bug Fun, Lifestyles of the the Beautiful and Bizarre, The Good, the Bad and the Strange, Mystery Bug, and more.

All about Roaches -- See the insides of a cockroach. Looney Tunes Karaoke -- Looney lyrics to sing along while the music plays. You Can -- Interactive demos which answer questions such as "What is earwax?" and "Why does the moon look bigger on the horizon?". How to make fake snot -- You can never have too much thick, gooey, sticky, slimy stuff on hand, or at least the directions for making it. kidsjokes.com -- Your source for jokes, riddles, knock-knocks, and puzzles. Wacky Uses -- Discover hundreds of little-known uses for well-known products.