Wish I could have done this. If kids are grown, still a great idea for grandkids..... Better yet - instead of cash, use savings bonds, they will grow in value and be worth their face value when graduation comes!
Color Coded Summer Activity Jars. "Activities and Games" has fun things such as jump on trampoline, play freeze tag or blow bubbles. "Let's Eat" has ideas for treats to make or anything food related, such as make cupcakes, build fruit kabobs or have a fondue party. "Oh, The Places We'll Go" has outings and field trips to local parks, swimming pools, zoo or museums.
Dollar Store Crafts - the best website for dollar store inspired craft ideas. Don't Think "Dollar Store - Junk Crafts" no - that couldn't be further from the truth. It's set up by price (eg. $1 or 5 dollars or less") decor and tutorials. This site - you can still get something for a dollar :)