Mysterious Boxes. Sudoku with Numbers, Shapes, Letters. Buba

Sudoku with numbers, shapes, letters "Buba. Mysterious Boxes" TM "UMka" will definitely please little curious minds:
- interesting tasks
- hints
- favorite characters
- colorful pages

Sudoku is not just a puzzle with squares and numbers, but a real logical workout. Each puzzle has levels of difficulty: you can start with the easiest ones and gradually make the tasks more challenging. The colorful activity book with engaging games and themed decorations of the favorite animated series will surely capture the child's interest and help them spend their leisure time joyfully and beneficially or pass the time on the road.

Activities with the activity book TM "UMka" broaden horizons and develop:
- memory
- logical thinking
- attention
- perseverance