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