Reusing Plastic Containers To Start Plants

I'm a big advocate for reusing items & cutting down on what I throw away.  In a world were most items you purchase come in a ridiculous amount of packaging, or plastic containers which take god knows how long to decompose, I try to find other uses for them.
In this case I used several plastic containers as starter planters.
I've used everything from 2 Lt bottles, to sour cream & feta cheese containers, to single serve yogurt containers.  I've started some seeds in the egg container you can see on the top shelf.

All of these items work great for starter planters, & they're reusable!

All of these plants, I started from clippings in these plastic containers & just transplanted them into their pots today.

It's been 8 days & all of these plants except the Echeveria (which was planted previously), and the two on the top shelf, have started to root. I'll keep the plants on the top shelf in their containers with a sandwich bag over them until they root.  I poked holes in the bags to allow air circulation.
Sweet Potato Vine, Wandering Jew, Sweet Carolina Sweet Potato Vine, & Echeveria.
There's a 101 different ways to reuse plastic containers, & this is just one.