Solid Wood Quality Construction-- High quality wood and solid structure make this shut the box very durable, smooth, delicate,no odor and chemical composition. The bottom of the box is covered with a green soft felt surface. Family Quick Game!-- This classic shut the box game super fits people of all ages, you can play with your children, parents, colleagues and friends. Perfect for family gathering, picnics, birthdays, parties. Easy to Learn-- With a game rule(see image 4) to provide some help, each board prints number clearly, every player owns 10pcs of board number from 1 to 10; Roll the dice and lay down tiles that match the sum of the roll dice numbers . In addition, you can customize the detailed rules of the game. Math Skills Training-- While this is a great game for families and friends of all ages, it is an excellent tool for teaching basic addition. The player rolls the dice, adds up the values, and then lays down the tiles that have the sum. These simple rules keep the player engaged in computing addition facts while enjoying game with friends. Teachers prefer this game for its 4 way play that allows multiple players, great for classroom activities! Excellent Support Service-- Provide worry-free after-sale service. Please click the "Contact" button in your orders to send us an email right away once there any problems caused by transportation or parts missed, we will assist you within 12 hours.