Kalc’s Safe

A SMALLab game to master intuitive measurement of angles

Players seek to break into a safe secured with an eight-angle combination lock by first gaining proficiency in angle measurement. With a giant protractor they measure angles and seek to re-create them in the game space, while accruing first-hand experience into the nature and relationship of complementary and supplementary angles.

  • For up to two players
  • Supports practice in angle estimation
  • Supports fluency with complementary and supplementary angles
  • Multiple levels of varying complexity