If you're curious like I was about these viral magnetic blocks if it's like the magnetic tiles - The magnet is very weak, once my daughter started stacking pieces would fall apart. We had already lost a few by clean up time. There's pieces inside each cube that shake like a rattle. The quality feels cheap like they're 3-d printed and the image is printed on each side.
Safety wise, these are small. As in an inch. While the app won't let me upload photos right now, for a visual, these are the length of your index/pointer finger's first knuckle to the tip of your finger. Because they shake/make noise and feel hollow, it very much reminded me of a kinder surprise egg and I myself wanted to bite it.
Finally, the “ice princess” knock off if they actually had Disney permission I could understand why they were charging nearly $30. Overall, I don't feel like this is worth it. Nor the way this is displayed feels gift worthy. Play factor versatility wouldn't be great because of the weak magnet, you'd loose everything in the car. My child is just 4YO. This is something that you must play with supervision because of quality. I don't think this is worth the risk.