Learning Ladder Pack has a metal ladder (8'L x 2"H; 14"W outside, 12"W inside; 9" between rungs) with plastic-coated rails; rung colors vary. First Steps Learning Ladder Pack has a flat rubber ladder-mat (8'L x 24"W x 1/2" thick). Both include 66 Content Cards (9" x 7") and instructions for Grades K to 3. Action Based Learning™ Lab Manual, sold separately.