Sudoku-k pro pokročilé branches

We publish a monthly Sudoku-k magazine for advanced and Sudoku-k intermediate difficulty. Logic progression hints, competition, solvers' discussion on the site. In each issue sudoku by difficulty, sudoku competition, subscription option, solvers discussion on the web.

Manufacture and sale of KEP04 time switches. Our KEP04 time switches have been on the market since 1993. They are used to switch loads from 2 to 350W at 230V 50Hz. The simplicity of installation makes them suitable for easy automation in households and industry. We are also able to produce switches to order.

Magnetic puzzle CUTS - from 3 to 99 years. Develops 5 senses - spatial orientation, colour vision, logical thinking, fine motor skills, mathematical thinking. It has the ability to connect two types of mathematical thinking - logical and spatial - in young children.