put a male and female in any of my tanks with food, wait for rggs, them make sure they don't dry out/ get squashed/ fall off, then one day you';ll notice there are some broken looking parts and aslong as your fish aren't patial to a tastie snail dinner you should get babies.
The hardest part is once the eggs are hatched for me. The lids sometimes get too wet ans the water causes the eggs to slip off, but they need to be moist so don't want to move them
WARNING:
I let 2 egg bundles hatch and ended up with over 200 snails lol so be prepared.