You can play with the water and learn about it.

Hydrodynamic Building Set

Hydrodynamic Building Set

  • * Includes: 300 pieces (including girders, tank parts, tubing, valves, tube connectors, meters, etc), electric pump with AC adapter, carrying case/structure base, and instruction book
  • Base Dimensions: 10″ X 16″ X 3″
  • Warranty: Manufacturer’s Limited Warranty
  • Important Notes

  • 1/4″ airline tubing can be purchased at any aquarium store if more tubing is needed.
  • Not for use with liquids other than water.
  • Can be built into different structures over and over (that is, not a single use kit).
  • More than one kit can be combined for massive structures.
  • Let the Water Flow

    Link: ThinkGeek.com

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