Introduce addition and subtraction with play half-dollars! These versatile, real world manipulatives can be incorporated into math lessons anywhere. Featuring a detailed image of John F. Kennedy and a shiny silver color, these pretend plastic half-dollars are designed to match real US half-dollars. A realistic alternative to actual half-dollars, use this set to reward children for chores or good grades. Or, create your own activities and lessons! This set includes 50 Play Half-Dollars. The plastic coins are designed, sized and colored to match real half-dollars. Coin size: 1.25" dia.