Now, today's websites have one common ingredient...
A bit messy, true, but take it all outside and enjoy the moment. Your kidlets will have a great time.
Here are three posts to check out...
First, at The Mother Huddle, see what you can do with vinegar, baking soda and food colouring.
Next, visit Easie Peasie and learn how to make some beautifully coloured, homemade finger paint. Again, you only need common kitchen ingredients.
Last, but not least, at Momma's Fun World, there's a list with directions for 45 more activities you can try with food colouring.