we had fun learning through educational STEM (Science, Technology, Engineering and Maths) focused activities at home. One of the science - water tornado
Tornado Maker App - Help Education Science Apps Creator Get Funded on Kickstarter
Pass the Apple is your one-stop shop for gently used teaching materials at a huge discount.
POOF-Slinky - Scientific Explorer Tornado Maker with Variable Speed Control New - Go Shop Hobbies & Toys
Let those science mad age 12 boys make tornados! A fab gift they will all enjoy.
Kidzlabs Tornado Maker Kit - Make a storm in a recycled bottle - Construct a battery-operated tabletop tornado with our complete KIdzlab science kit