With the help of another adult or 2, create different stations of experiments that the children can do without making too much of a mess.
Smaller groups work better.
These ideas are simple and do not take many ingredients to make. Contact source for recipes and instructions. Test-tube tacos are a few of the experimental foods to offer at this party. To make a cake in the shape of a test tube, bake in rectangular pan, freeze until hard enough and cut in the shape of a test tube. Use different colors for balloons and streamers such as silver, gold, black and purple.