Wooden Sudoku with Drawer 81Grid Chessboard Educational Puzzle Toys Train Logical blue

Features: Wooden Sudoku board can test children s observation and reasoning ability, improve their logical thinking ability, and stimulate children s interest in mathematics learning. 81grid  chessboard with 90 doublesided number blocks, you can try again and again, no need for pencil and paper or erase wrong numbers, it can be played anytime, anywhere Made of highquality beech wood, the wood is tight and heavy, and has nice durability. The surface is painted with ecofriendly waterbased paint, which is nontoxic and tasteless, so you can plays with confidence. With drawer design, easy to store and carry. In order to avoids missing number blocks sometimes, we specially prepared a set of 9 spare blocks in the package. Delivery includes a quest