Has anyone tried Slushy Cups?

[AnyDream]

We've had a couple of different ones & the kids love them. The first lot had an inner cup that you pre froze & then you tip the drink in & stir like crazy. They took a while to slushy over because the liquid next to the side of the cup would freeze & slow the cold-transmission.

The new ones are better. (Slushy magic). They have big ice cube shaped things which you freeze, and lids so you can shake instead of stirring. They seem to slushy faster than the old ones did. Works best if the cubes are kept in the deep freeze & you add cold drink to start with, but even then it's not as solid as a machine slushy.

I love the look of those instant icy pole makers but that's a different thread I think.