This fits your .
Specification:
Item Type: Sudoku Board
Material: Wood
Entry Level: Tic-Tac-Toe game
Rules: Everyone holds a piece of one color, and whoever arranges three pieces of the same color into a horizontal line, a straight line, or a diagonal line is the winner
Basic Level: 4 square grid game
Rules: Choose 1-4 numbers to combine
According to the known numbers on the 4 x 4 chessboard, infer all the remaining numbers and satisfy that each row, each column, and each grid number 1-4 is not repeated
Advanced Class: 6 square game
Rules: Choose 1-6 numbers to combine
According to the known numbers on the 6 x 6 chessboard, infer all the remaining numbers and satisfy that each row, each column, and each grid 1-6 numbers are not repeated
Proficiency: 9 square game
Rules: Choose 1-9 numbers to combine
According to the known numbers on the 9 x 9 chessboard, infer all the remaining numbers and satisfy that each row, each column, and each grid 1-9 numbers are not repeated
Size: Approx. 19 x 20 x 3cm / 7.5 x 7.9 x 1.2in
Package List:
4 x Sudoku Board
1 x Iron Box(with lid)
GLOGLOW 4Pcs Wooden Sudoku Puzzles Board Game Magnetic Sudoku for Kids Logical Thinking Ability Math Brain Teaser Toys Educational Desktop Game