Macromodel of Microarray

Source Institutions

Source Institutions

Add to list Go to activity
Activity link broken? See if it's at the internet archive
This is an educator-led demonstration of microarray technology using a model created from a pizza box and ping-pong balls. This “macroarray” model demonstrates how single-stranded DNA segments affixed to a solid support are used to separate and identify DNA segments in a solution.

Quick Guide

Preparation Time:
1 to 2 hours

Learning Time:
10 to 30 minutes

Estimated Materials Cost:
$5 - $10 per group of students

Age Range:
Ages 11 - adult

Resource Types:
Activity, Demonstration, Lesson/Lesson Plan, Model


Materials List (per group of students)

  • ping-pong balls
  • cardboard box
  • Velcro® hook and loop fastener
  • ceramic magnets
  • packaging tape
  • exacto knife
  • scissors
  • markers
  • a large clear plastic container (optional)
  • puzzle pieces (optional)
  • small box (optional)


  • Engineering and Technology
    • Technology
      • Medical Technology
  • Life Sciences
    • Heredity and Genetics
      • DNA Structure and Function
      • Genetic Engineering


To use this activity, learners need to:

  • see
  • see color

Learning styles supported:

  • Involves hands-on or lab activities


Components that are part of this resource:

Includes alignment to state and/or national standards:

This resource is part of:

Access Rights:

  • Free access


  • Malone, Molly ; Semadeni, Andrew ; Freudenrich, Craig C. ; Starr, Harmony

Source Collection

  • Teach.Genetics


  • All rights reserved, University of Utah, 2004

Funding Source:

  • Science Education Partnership Award (SEPA) from the National Center for Research Resources, a component of the National Institutes of Health, Department of Health and Human Services, 1 R25 RR16291-01