Features:
Wooden Sudoku board can test 's observation and reasoning ability, improve their logical thinking ability, and stimulate 's interest in mathematics learning.
81-  chessboard with 90 double-sided number blocks, you can try again and again, no need for pencil and paper or erase wrong numbers, it can be played , anywhere
Made of high-quality beech wood, the wood is tight and heavy, and has durability. The surface is painted with eco-friendly -based 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, specially prepared a set of 9 spare blocks in the package.
Delivery includes a question book with 100 questions, you can assign questions based on it. Front is the question, back is the answer.
It can be a gift for friends, teenagers, , etc. Parents can plays with their and enhance parent-child interaction.

Specifications:
Color: Blue
Material: Wood
Item Size: 225 * 225 * 33mm/ 8.9 * 8.9 * 1.3in
Package Size: 230 * 230 * 40mm/ 9.1 * 9.1 * 1.6in
Package Weight: 600g/ 21.2oz

Packing List:
1 * Sudoku Board Kit
1 * Question Book