We've always had a simple craft for the kids that was related to the party theme. It worked for all different ages- the little ones get helped by their parents (or family members you can beg to help out with the craft, which is what I do). Thankfully, my sister did that kind of stuff for her job and she had all the supplies and ideas. You can find ideas online or make up your own. Most of our crafts involved foam board. My sister would pretrace the shapes out. I usually have coloring pages for the kids who don't want to or can't do the craft or whoever finishes quickly (or just can't focus for too long). We've done Spiderman magnets(they cut the pretraced face and eyes out of foam board, glued them, and drew the spiderweb on his face, and stuck the pre-cut magnet piece on the back), space shuttle windows (they decorated black paper plates with star, planet, and astronaut stickers and glitter glue markers, then covered the plate with clear cellophane held around the edge by some cool, pewter brads), bat masks (cut pretraced bats out of black foamboard, cut out the eye holes, they did something with yellow foamboard too, but I can't remember, then they punched holes on either side and we put stretchy string through them), and dinosaur masks (similar idea with pretraced dinosaurs too choose from on foamboard). My sister always had a sample one already made for the kids to look at as an example. They sell precut doorhangers, etc. and all different shapes and themes of foam stickers, too. So, you wouldn't even need a bunch of scissors and glue if you wanted to go that route. You could also try some cute crafts that involve pipe cleaners and pompoms and some googly eyes. You can make all sorts of creatures out of those. ACMoore or Michael's craft stores would have the stuff I mentioned and more. You could do a snack thing, having a couple ideas for them to choose from depending on what snacks they like (like making a caterpillar, bug thing out of a banana with pretzel stick legs and m&m eyes or something). I'm sure you can get more ideas online. Don't forget to try to relax and have some fun, even if it all doesn't go as planned. Don't plan too many things. It goes by so fast, you probably wouldn't get to them all anyway. Plus, you don't want to go crazy!