I homeschool my fourth grader, and we've been studying rocks and minerals during science. We were discussing streak, lustre, hardness (and all that fun stuff), and my kid was bored. To death. I decided to get him a small rock and mineral kit to help bring all these terms to life because it seems most ten year old boys would be somewhat interested in rocks (or maybe not, thanks to Fort Nite).It came with fifteen varieties and a nice, durable plastic container to keep them organized. Some of the minerals like the quartz were rolled and polished, and I knew that going in because I asked on here before buying. I would've preferred them in their natural state so we could do more streak tests, but I couldn't find anything like that. So we were able to do streak and hardness tests on several of the samples, and he thought that was interesting. He also enjoyed using the magnifying glass to look at them closer. The little booklet had good info and was very handy. Did my seem alive and impassioned about rocks after this? Well, no. But it did bring things to life for him, and we will use them each year when we revisit rocks, minerals, plate tectonics, and such. I recently witnessed my college son studying the same terms in his required core science class, so it isn't a bad thing to know.Overall, I'm happy with my purchase. If using for school, maybe make your own chart where you can record observations.
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