Kids love learning and playing checkers with our oversized, prize-fillable, pieces. Especially beneficial to pre-chess youngsters for developing strategic thinking skills. Tic-Tac-Toe board on backside has 3 fields for regular, simultaneous, or 3-dimensional Tic-Tac-Toe. 2 WonderReward Cards, WonderFiller stickers, and Game Instructions round out the fun! For ages 4 to 104. 2 players required.