Buy callets (e.g., https://www.chocosphere.com/default/catalogsearch/result/index/?manufacturer=131&q=callets ). These may be at the high end of what you’re looking for, but you can choose a sweetness and the shape seems like what you seek.
Buy a mold, buy bulk chocolate that you like, melt and temper it. Possibly you could also make little, mouth-sized puddles of tempered chocolate instead of using a mold.
mitch
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Yes. Here’s a guide: https://www.facebook.com/SoChoklat/videos/1132903850118884/
If you’re doing that, you might also like to pour some on a diffraction grating.