Pneumatics Add-on Set (9641)

The Pneumatics Add-on Set for the 9632/9686 Base Set provides fve principle models and four real-life pneumatics models. Includes full-colour building instructions, pumps, tubes, cylinders, valves, air tank and a manometer. Combine with the 2009641 activity pack to carry out 14 principle model activities, four new lesson plans and two problem-solving tasks.