Melissa & Doug Math Gears - Subtraction
A pocket-sized interactive book with a gadget-like look and feel to help teach subtraction facts
Turn the wheel to show a math problem, solve it, then lift the flap to check the answer
Includes “fun facts” about numbers and math
A sturdy, interactive teaching tool
Makes a great gift for 4- to 7-year-olds, for hands-on, screen-free play
