Sudoku is known and loved all over the world, and now problem-solvers as young as four can play using Hubelino‘s color-based version of this classic puzzle! By correctly arranging colorful Sudoku bricks to find solutions, children build dexterity and improve their capacity for logical reasoning.

Hubelino Sudoku starts with an initial pattern laid out on a 4x4 grid, which is then completed using various colored bricks. The bricks with light green borders are placed first to configure the puzzle, which is then solved using the bricks with white borders. In order to correctly solve a puzzle, the following criteria must be met: each horizontal row, vertical column, and 2x2 group must contain at most one brick of each color.