Fischertechnik pneumatic 3 construction kit fischertechnik 516185 with this kit the basics of pneumatics become child s play using realistic models the kit demonstrates how compressors and pneumatic valves and cylinders work the strong compact compressor ensures that there is a reliable supply of compressed air to the models besides vehicles such as front loaders hay balers and tree trunk pickers young inventors can build other learning models which together with the accompanying edu