If you are hosting an outdoor birthday party for your toddler or preschooler, thrill your guests with a Frisbee tower game. Give each player a bunch of mini-Frisbees and have them form a circle. The birthday boy goes first by laying one of his Frisbees in the middle. Then the next player lays one of her Frisbees on top. The players continue placing Frisbees on top of the pile, one at a time, until it falls over. If you want, you can have the players compete by giving them one point for each Frisbee they put on the pile without knocking it over. The player with the most points after playing several games wins.