Girder and Panel Hydrodynamic Deluxe Set Includes an electric pump, siphon tank, large square tank, small and large round and cone bottom tanks, float valve and tilt scale Also includes ball flow meter, water wheel, spray head, and assorted valves, pipe holders and pipe The user learns the basic principles of fluid dynamics while constructing and playing with this toy Build a model of a manufacturing plant with working tanks, pipes, valves and pump with this unique construction toy With this set you can build a model of an ice cream factory, a water treatment plant, a distillation plant and many other structures Instruction book provides instructions and several examples of different structures you can build with the set Appropriate for advanced builders, this set is great for doing middle and high school level science fair projects Set contains approximately 300 pieces