The kit contains a variety of custom made and unique components, including Force Board, Inclined Plane, and Vector Board.Also included is a complete set of accessories needed for 15 different activities, including an 11 piece weight set, spring scales, pulleys, levers, support base and rod, and much more. To assist the teacher, we have also included a comprehensive lab activities manual (over 60 pages), and a CD containing a slide presentation of all experiments that can be performed.