Question

What materials could I use to make a mini-greenhouse

Answer 1

Making a Mini Greenhouse From Bottles and Jars. Use a 1 liter soda bottle. You can use a simple 1 liter plastic bottle to make a variety of greenhouses. These are ideal for growing a single, short, shallow-rooted plant.

Answer 2

we can use recycled materials or something which is not in use like cardboard, bottles, cans and wood not in use.