Lego LEGO Education Pneumatics Add-on Set 9641 - USED see pictures

The Lego Education Pneumatics Add-on Set 9641 is a retired plastic building toy from LEGO Education, designed for ages 10 and up. This set, released in 2008, focuses on teaching students to build robots and explore STEM concepts. Please see pictures for contents, this is an open and USED box. It is missing the instruction manual, which can be downloaded on the LEGO website.