Make a backyard bowling alley. Add food coloring to clear plastic bottles of water. Use party streamers as lane margins. Add glow sticks for night bowling. (These would make great outdoor table nightlights also with the glowsticks, gonna try it!
Homemade play dough - : four cup salt oil (veg) water 7 drops food coloring. mix dry ingredients with oil. add food coloring to water and mix together. add water to flour/salt/oil mixture slowly~about cup at a time and mix together