Do it yourself - with your own hands. Page 369

A bristle walker, a bristle bot, a vibrating walker is a simple toy that uses vibration for its movement.

I will tell you how to make color music using LEDs so that it is multi-colored. ..

This toy is very easy to repeat and is recommended for assembly with children of middle school age. Despite the general availability of the material (cardboard, paper clips, compact discs), it contains elements that require

I sincerely hope that you never have to get rid of handcuffs, but if you do, watch the video instructions. . . .

If your HDD has failed, but there is still very necessary data on it and you have tried all the ways to start it, but nothing worked. Then use the last method that we offer you. . .

It is not always possible to buy a barometer, so I would like to propose the design of a home barometer that will show atmospheric pressure with some accuracy.

This is a real firearm. Naturally, it will not harm you, because it is a toy pistol.

The funny thing is that when he touches an obstacle with his right tendril, the steam wheel stops and he turns to the left, and vice versa. (Goes around obstacles)

We make an airbrush from available parts. . .

Don't know what to do with old or damaged CDs? What a great idea! How to make such an original lamp.

Here is a recipe that allows you to remove seals, stamps and other notes from writing paper.

Making invisible ink from lemon. Entertaining experience. To conduct the experiment you will need: half a lemon, cotton wool, a match, a cup of water, a sheet of paper.

Recipe for making liquid for soap bubbles. Large, strong, tenacious bubbles!

Sometimes there is a need for an autonomous, inexpensive security alarm, for example, for protection in a country house. The use of industrial designs in such cases may not be economically feasible.

The air-hydraulic model is one of the simplest types in rocket modeling. It is characterized by simplicity of design and operation. This model makes it possible to conduct many different experiments and, most importantly, get acquainted with the action

If you don’t have a tripod at all or are too lazy to carry it with you all the time, then this homemade product is for you. This very simple device will help make photos clearer in low light conditions. Of course, this is not a panacea for blurred

Here is the simplest and most primitive electric motor, i.e. a converter of electrical energy into mechanical energy. . .

Robbers and other criminals are becoming smarter every day. Many people, like me, do not have an alarm system. And if you are not at home, then your valuables become easy prey for a criminal.

If you are even a little interested in electricity, you can easily make this flashlight.

A video about a couple of American teenagers being bullied by Cocacola and Mentas.

It turns out that the laser system is just as simple. Here I will tell you how to make a laser machine called a Spirograph!

Today it is difficult to imagine a modern disco without various lighting effects - laser light music, stroboscopes, color music scanners, and it is also difficult to imagine these same lighting effects without the use of smoke generators. . .

This homemade USB flash drive (yes, yes, exactly a flash drive!) will appeal to those who like to surprise and mislead others :) It looks like a torn USB cable and in fact it is, only a miniature 1 GB flash drive is built into its connector

Want to feel like a spy? This device will help you eavesdrop on a conversation through the wall. An indispensable thing for a spy. To make it, you will need: a medical stethoscope (sold in a pharmacy for about 300 rubles) and two cheap microphones from