
Yoghurt cups are just perfect for reuse and recycling. Nice tumbler like shape, they usually come with a cap and are sturdy enough for most household storage. I use them atleast 4-5 times before I say goodbye to any of those. Here're a few things I use them for:
For storing leftover dough, cut vegetables or leftovers in the fridge.
For keeping lentils and beans for germination. (Go here for my post on sprouted beans)
For storing knick-knacks like buttons, coins etc.
For mixing my various homemade hair and face masks. They are handy because lot of these recipe call for yoghurt and I just use a yoghurt cup with last bit of yoghurt in it and then just toss it after I'm done. That way I don't even need to wash the cup before reusing it.
A lot of my yoghurt cups end up in my container garden, I use them for growing seeds or just plant a couple of small plants with smaller life span. The picture I have shows fenugreek plants in the cups. Fenugreek is a popular Indian herb which is used a lot in Indian cuisine.