Kid Kits are an item in The Baby Sitters Club books by Ann M. Martin. They are cardboard cartons that the members of The Baby Sitters Club have taken with them sometimes on baby sitting jobs. They are cartons filled with the Baby Sitters Club members' old books, toys, and games from their childhood and also, new stuff like blowing bubbles kits, colouring books, crayons, and other things that get used up and have to be replaced from time to time. They first appeared in Book #3 The Truth About Stacey.
The Kid Kits get new items every month and the BSC uses some money from the club treasury to pay for the items that get used up. Each member of the Baby Sitters Club has a Kid Kit.
The BSC members usually save the Kid Kits for rainy days when kids won't be able to play outside and will likely be bored. Often on the first job for a new client, the BSC member brings the Kid Kit.
The Kid Kits were thought up by Kristy Thomas. She and the rest of the BSC recalled how, when they were little, they preferred playing with their friends' toys rather than their own because it'd be new to them. Mary Anne Spier loved going to Kristy's house because they had great board games.
Kristy said that Kid Kits would be good for business because when the kids are happy with the Kid Kits, the parents are happy because the kids are happy, and when the parents come home to happy kids, they'll call the Baby Sitters Club again!
The Kid Kits are decorated with Claudia Kishi's art supplies : glitter glue, red felt, markers, and other things.
| Member | Contents/Notes |
| Kristy | Old rag doll, dinosaur figurines, puzzle books, old yo-yo |
| Claudia | Decorated with acrylic paints, blocks, baby puzzles and objects, a variety of books, art supplies |
| Stacey | The Dancing Cats of Applesap |
| Mary Anne | coloring books |
| Dawn | Jeff's old whiffle ball, make-up crayons |
| Mallory | books, games, her old toys, crayons, coloring books |
| Jessi | office supplies |
| Abby | made out of a shoebox |
| Shannon | coloring book, mini-frisbee, books |