Well, you can be with this Laugh Pack. Try out all sorts of practical jokes on your friends:

Ask a friend is she would like some gum, and give her a squirt instead! Slip your special ice cube into a friend's lemonade. Ugh, a bug! Ask someone for his autograph and give him a rubber pencil! Stick your fake coin to the sidewalk and see who tries to pick it up. Gotcha!

And with The Baby-sitters Little Sister Book of Laughs you can learn silly songs, wacky snacks, goofy costumes, and funny party tips. Plus, there are tons of other practical jokes to try out on your friends. Take it from Karen, joking around can be lots of fun!