Contains all of the accessories and an extra sensor necessary to use the APC200. 

The APC200 Accessories kit includes: 

4x Beakers with fittings attached. 
20x silicone tubing and capillaries cut to size and adhered with a water-tight epoxy.
80x medicine cups (~100 mL)
1x Replacement Sensor with screws and hex key 

Purchasing the kit is a savings of almost 15%.