Easy Way To Build a Small Greenhouse

This is a portable greenhouse, good to start seeds or small vegetables  (basil, parsley, salad, cilantro...). it's really fast and easy to built, and super economic and ecologic, I made mine all out of scraps and in little more than an hour.
Materials :

1. Big plastic can (white is better)
2. Transparent or semi transparent plastic sheet
3. 4 screw with 4 nuts;
4. 4 little piece of plywood about an inch by an inch;
5. a piece of bike inner-tube;
6. Duck tape

Tools :

1. Jigsaw
2. Power Drill