Dr. Curt Hinsons' Circuit Training Curriculum is a fast, fun and economical way to get students up and movin'. Pyramids are made from tough plastic corrugated material for long-lasting durability. Designed with slot and tab assembly to collapse flat. Simply slide laminated Station Cards into pre-cut slots and design your circuits. Pyramids are also ideal for numerous target and hurdle activities. Pyramids are in a 6-Color set of 6, sold separately. Made in the USA. Advanced Fitness Circuit #1 includes the following: • Jump Squats • Side Push-Ups • T-Plank • Squat Thrust • Wide Push-Ups • Bicycle