Take things that you have around, like plastic bottles and bamboo sticks, and make a lovely little building for the garden or a playhouse. How great! Keeping the environment in mind and keeping a lot of plastic out of the garbage dump.
Here are some photos about a bottle and bamboo garden house in Viet Nam. Link to the story too.
And here is a person named Andrew Douse’s detailed instructions on how he built his own garden house with fence posts and plastic bottles.