How to make an motor with straws

Hello, my dear friends! In today’s video I’ll show you how you can make a funny toy for children. It may be called the children’s helicopter or air motor, but it is very cool toy and a great entertainment for children. So what we will need to make here such an air motor. We need

How to make a mini helicopter

Hello my dear friends! Roman is with you as usual. In today’s video I’d like to show you how to make a nice toy for children, a mini helicopter or a so called flying vane. First, we need a plastic ruler for 20 cm, pencil of 15-20 cm, one screw, a piece of hacksaw, one