Do not throw stored plastic bottles in the garbage can, because it can increase the pollution level, use them to make different kids crafts and pencil holder to save the space.
The plastic bottles stored in the house can be used to design kids crafts and holder to store eating utensils, like forks, spoons, knives, etc. It can make a pretty pencil holder also to keep your study table clean and tidy. If you want to hang the bottle on a pole or hook, then 2-3 cm diameter hole is required. It is a great choice to save space, because you can store all stationary items tidily. You can make it beautiful by decorating it with colorful tapes, colors and stickers.
If you want to save space in kitchen, feel free to use it to store eating utensils. It can easily save the space of a small kitchen, and you can store knives and forks without any trouble. If you want to save maximum amount of space, make sure to store it vertically, because in horizontal direction, it may take more space. It will be a creative, but environment friendly use of the extra plastic bottles.