This kit comes with tons of supplies to do the experiment such as real minerals, a real geode that the kids break open, and lots more. My kids loved learning about the minerals, making crystals, and fossil molds. Lots of science fun.

The kit doesn't warn you you'll need quite a few extra supplies before starting, which seriously delayed the fun on Christmas morning. And the experiments are ones you can find pretty much anywhere online. My daughter had more fun creating her own experiments with the supplies provided than following the instructions. While I'm glad I purchased this to find out about it, I don't think I would purchase another of these kits.