This is everything you need to guide your students through the build of a functional hydraulic arm, all you need to supply is the materials (wood, syringes, etc.).This complete build unit is set up such that it pretty much runs itself. Once you have gathered and distributed supplies and tools, students can then follow the instructions in the documents you will receive, to build their fully functional hydraulic arm (3 points of movements, including rotation).This fits in with the Ontario Science