Science Bonanza - Build Your Own Home Hydroponic System

Hydroponics is about growing plants without soil. In this how-to video we will build a simple but effective raft system to grow our own hydroponic plants using parts you can buy at a hardware store.

Instructor: Jonathan Ebba

Date and Time: Pre-recorded video released Saturday, December 18

Ages: Grades 5-8.  This activity requires the use of a hand saw and a drill with a hole saw.

Suggested Tools

  • Hand saw
  • Tape measure
  • Ruler
  • Scissors
  • Pen
  • Drill with hole saw
  • Safety glasses


  • Plastic storage container
  • Foam
  • 3 inch flower pots or plastic cups
  • Air pump
  • Air line
  • Air stone
  • Rock wool cubes
  • Hydroponic fertilizer
  • Seed (lettuce, bok choi, spinach)
  • Light source

To learn more and register for this workshop visit the 4-H Science Bonanza Registration Page