Ocean Echolocation

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Use echolocation to find others and experience how whales’ senses have adapted to suit their environment. In pairs, learners are blindfolded and use containers filled with marbles to find each other. You will need a large space (e.g. exhibit floor, conference room, lobby, outdoors) for this activity. [Activity is publicly available through a web crawler capture on Archive.org. Activity write-up only, images are unavailable.]

Quick Guide

Preparation Time:
5 to 10 minutes

Learning Time:
10 to 30 minutes

Estimated Materials Cost:
$1 - $5 per group of students

Age Range:
Ages 6 - 11

Resource Type:


Materials List (per group of students)

  • 2 empty containers with lids (soft plastic or metal recommended)
  • Roughly 20-30 large wooden beads, plastic magnetic marbles or pennies
  • 2 blindfolds
  • 4 participants
  • Duct tape
  • Large space (e.g. exhibit floor, conference room, lobby, outdoors)


  • Life Sciences
    • Diversity of Life
      • Animals
    • Human Senses and Perception
      • Hearing
  • Physical Sciences
    • Vibration and Waves
      • Sound

Informal Categories

  • Animals
  • Physical Activity


To use this activity, learners need to:

  • hear
  • be mobile
  • touch

Learning styles supported:

  • Involves teamwork and communication skills
  • Involves hands-on or lab activities


Access Rights:

  • Free access


Source Collection

  • TryScience