If you can, best to put them back into the cup they came in if you have one. If not, Tupperware containers work great for this and are only a dollar something at walmart! I use the three circular ones with screw on tops so the water doesn't leak. Then put them into a brown paper bag. The darkness helps to relieve the stress of traveling and making them happier.
Did you need help with the tank too or is it just small? If it's bigger and you want to keep the Cycle going, i can help you with that too ^_^