Guess My Rule

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In this simple game, learners start to understand how to sort and categorize objects by trying to guess the connection between three items that someone else has chosen. Once they understand, learners can come up with their own rules and have someone else guess. The activity includes a time and age recommendation, a materials list, step-by-step set up instructions, tips for adults, learning and skills connections, a "what's going on" section, and a note about doing STEAM with kids.

Quick Guide

Preparation Time:
Under 5 minutes

Learning Time:
5 to 10 minutes

Estimated Materials Cost:
free per group of students

Age Range:
Ages 4 - adult

Resource Types:
Activity, Game


Materials List (per group of students)

  • A collection of various objects from around your home, some suggestions are:
  • Pens, scissors, paper clips, and other items from your desk
  • Small toys, action figures, plushies, LEGO, puzzles, building toys
  • Safe items from around the kitchen
  • Keys, coins, chargers, rubber bands, batteries and other items from a junk drawer
  • A tray, cookie sheet, paper plate or some place to place a few objects


  • Mathematics
  • The Nature of Science

Informal Categories

  • Games


Access Rights:

  • Free access



  • All rights reserved, Boston Children's Museum, 2021