Yep, you can use another way to cool down the smaller ones until you can batch anneal them. There is a limit to how large they can be before they crack cooling them that way, but as long as you are staying on the smaller side it's a good way to get started.
There are fiber blankets, annealing bubbles, and vermiculite that you can put the hot beads in (after you cool them enough that the surface won't mar from touching the blanket, bubbles, or vermiculite.)
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