How to make a periscope

Hi everybody! We all know that periscope is one of the main attributes of submarine, as it allows to observe sea nature without coming up to surface. Periscope is also used by land forces. Periscope is used, for example, when it’s necessary to watch a certain surface out of the trench without risking and sticking


How to make a present for the Valentine’s Day

Hi my dear friends! Roman is with you as usual. In this video I’d like to show you how to make an original souvenir for the St. Valentine’s Day. We need a piece of red fabric, I’m going to cut one from old Christmas hat, an out of work lamp, sponge for dish washing, a