It describes a very simple and effective shoe dryer. Thanks to constant convection of air, it dries shoes much faster than conventional dryers, and its small dimensions will allow you to take it with you wherever you go. . .

To create a robot arm, a piece of corrugated plastic tube, a box from a CD, twine, glue and electrical tape are used. The manipulator itself is strong enough to hold, for example, a bottle or a cell phone.

I divided the whole process into 4 stages: Preparing firecrackers and initiation systems. Making shells for grenades. Assembly of all parts.