Many items we use everyday are made from trees or tree by products, including rubber.
Rubber trees gives a sap called latex and latex is used to make balloons.
"Balloon Trees" by Danna Smith
Blow up enough balloons for each child to have their own (check for latex allergies before this activity). Play fast paced music while the kids keep the balloons from touching the floor. When the music stops, they grab their balloons and yell "We love Balloon Trees!" in unison. Here are some other balloons games you can play.