Click to expand Tap to zoom Whirlpool Bottle | Vortex Valve by Heebie Jeebies Save Liquid error (product-badge line 32): -Infinity% $3.75 | / 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Just add water and a couple of plastic bottles to create your own whirlpools. 4 experiments included.