This kit helps students by including all the manipulatives you need to teach counting, operations, and beginning. Kit includes Mathematics with Unifix Cubes, Grade 1; Unifix Cubes, set of 500; Unifix 1-10 Stair, 2; Unifix 1-120 Number Line; Ten-Frame Trains, set of 50; Unifix Cubes Ten-Frame Cards, 2 sets; Unifix Cubes Hundred Base, 2; Unifix Number Hats, set of 30; Unifix Corner Cubes, set of 40.