Kids build math-fact fluency with this challenging board game. Using numbered playing cards, they create or change fact families on the triangle board. Be the first to play all your cards and call out tri-FACTa! The game includes a triangle game board, 100 cards (facts up to 20) and 4 trays. For 2 to 4 players. Size: 34.8 x 30.7 x 5.3 cm. Ages 6+.