Here is a great balloon activity you can sponsor without have to find a helium tank.
Tape a short length of plastic straw to the top of each balloon (already blown-up). Set up pairs of chairs a room-length apart, and cut string long enough to stretch between the backs. Feed the string through a straw on one of the balloons, then tie the ends to a pair of chair backs. Repeat this procedure for each player, then start the clock. This time everyone will have to blow the balloons while walking. One important rile: Players may not touch the balloons in any way.
On your mark, get set, blow!
(This activity is intended for older children only! Younger children should not play with balloons because of the possibility of suffocation!!)
Summer is heating up! Cool off with some homemade watermelon gelato