This is the right stereo zoom microscope. It's inexpensive, but works great. You can get it in either color depending on your stylistic preference; they're the same inside.
I've made two options available for lenses: 0.5X or both 0.5X and 2X. The 2X is nice if you want to get really really close, but honestly I use the 0.5X most of the time.
3D print a phone-to-eyepiece adapter or buy a phone holder to take photos, add a stand or use a (frankly totally adequate) bean bag, whatever works for you. You really don't need to buy anything else, they're just nice to have. I'd also get the microscope objective for your phone though, it's excellent for everyday curiosity.
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