5 years & up. Give your children an exciting extreme weather lesson with this fun Create and Contain Realistic Tiny Tornado in a Can for Interactive Weather Learning. With a simple twist of the wrist, a realistic, tiny tornado is produced from the white foam clouds. Hold the can to the light and watch the iridescent currents swirl. This activity promotes STEM learning, discovery, and sensory learning. Tornado facts are printed on the back of the container. Use this activity over tornado safety with children. Measures 2"W x 4.5"H.