I reused a Pepperidge Farms cookie container to hold them when they are not in use. It is the perfect size!
My students enjoyed discussing the results from their lab, and I really feel that they were better prepared to participate in whole group sharing after having time to chat in pairs. If you like this idea, you may be interested in my scientific processes unit on TpT. It includes every lesson that I use to help my students build scientific writing and thinking skills. Check it out here: