Tic Tac Twice Math Skills Game is easy to play, challenging to master for children of all ages. Each player of this smart game places a playing piece on the same picture on each board. The goal of this math version of the classic Tic Tac game is to place four playing pieces in a line across, up, down or on a diagonal on one board. By having to play on two boards at once, a good move on one may not be a good move on the other. Tic Tac Twice Math Skills Game from Educational Toys Planet includes additional game board design for added play fun and thinking challenge. The multiple awards winning math game is based on the algebraic principles and mathematical theory of games. Try it. You'll be hooked. The strategy game by Talicor's Aristoplay is designed for 2 players. Parents' Choice - Gold Award, Dr. Toy - 100 Best Children's Products - Winner, Oppenheim Toy Portfolio - Gold Seal, National Association for Gifted Children - Parenting for High Potential Magazine - Holiday Educational Toy List, National Association of Parenting Publication Award (NAPPA) - Gold, Curriculum Administrators Districts Choice 'Top 100 Products of the Year.