These materials are suitable for creating a classic bird feeder.

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For more original and interesting products, you may need some other tools, such as:

hot glue;
drill;
decorative ornaments;
screws;
bowl;
"perches" etc.
Also, when making a feeder, you need to follow a few simple rules:

Only clean bottles should be used. If the container contained spain mobile database products or household cleaning products, they should be thoroughly washed. The best way is to soak the bottle in a solution of lemon juice and water (for no more than 24 hours). After that, the bottle should be thoroughly washed first with soap (without fragrances and dyes), and then with clean running water.
Do not use toxic items or items with chemical additives.
The edges of the feeder must be carefully processed so as not to harm the birds.
It is necessary to ensure that seeds that are harmful to feathered comrades, such as fried sunflower seeds, do not get into the bird's "dining room".
Before placing the "dining room" you should make sure that the birds will not get trapped and will not damage their wings or feathers.
It is not recommended to place feeders near roads and other places with high sound noise. It is best to do this near forests or large clusters of trees, in yards, in the country.
Bird feeder from a 1.5-liter bottle: step-by-step instructions
The simplest option for making a "dining room" for birds is made from a 1.5 liter bottle:

Lay the bottle flat and cut symmetrical holes on 2 opposite sides so that there are “walls” of at least 1-2 cm. The shape of the holes is not particularly important, but an oval or rectangle is usually used.