These little contraptions look like they'd be a fun addition to any social gathering. We have not tried them yet, but surely will. We stumbled across this nifty idea & are intrigued to know how they would work after the first couple shots. What happens when the frozen juice is not so frozen anymore? Perhaps try them outdoors at first, maybe on a hot summer day in the backyard. Keep the hose handy for spray downs as it is a delightful way to solve any wet, sticky mess.
When you try them let me know.