, Simulate Hydraulic Conditions That Create Tornadoes, Case Of 48 Ea

Details:

Coupler attaches two 16 oz., 1L or 2l screw-top soda bottles togetherrotating water in the top bottle simulates conditions that create tornadoes as water falls from the top to the bottom bottle, water moves in a tornado-like shapebrief explanation of hydraulic principles is printed on the package