Koplow Games Subtraction Dice, 30 Pieces

Koplow Games Subtraction Dice, 30 Pieces | Koplow Games Subtraction dice set is perfect to improve the math fluency of your kids. Fun and effective way to learn basic math. Addition dice features -1 through -6. Suitable to use for learning centers or group activities. Dice measure 16mm (5/8"). Each pack includes 10 dice. Sold as 3 packs for a total of 30 dice.