Teaching Tree Clever Cars Addition And Subtraction Educational Game - Grades 1 - 2 Clever Cars Additional and Subtraction Educational Game Grades 1 - 2 Includes: 1 - 20 in x 14 in Game Board; 4 - 1 in x 1 in Game Pieces; and 50 - For 1 - 5 Players Fun Learning - Matching Number Words with Pictures