Two-in-one protractor and compass lets you easily make angles and eight sizes of circles with built-in templates. You can also use this handy device
Helix Angle/Circle Maker Protractor/Compass 360 Degrees 36002
Using the Helix circle maker
Helix 360� Angle And Circle Maker : Target
Helix 360� Angle And Circle Maker : Target
Helix Angle and Circle Maker (36002) : : Office Products
Using the Helix circle maker
Helix Angle and Circle Maker with Integrated Circle Templates, 360 Degree, 6 Inch / 15cm, Assorted Colors (36002) : Office And School Rulers : Office Products
Helix 10cm 360 Degree Protractor (Box of 50) : Office Products
The Mandala Book: Patterns of the Universe : Cunningham, Bailey
Helix Maped 36002 360° Angle and Circle Maker, Assorted Colors
Helix Angle and Circle Maker with Integrated Circle Templates, 360 Degree, 6 Inch / 15cm, Assorted Colors (36002) : Office And School Rulers : Office Products
Helix Angle and Circle Maker (36002) : : Office Products
Maped Helix 360 Angle and Circle Maker, Math, Grade 5+ (MAP36002-6) : Office Products
Helix 360� Angle And Circle Maker : Target
Helix Angle and Circle Maker (36002) : : Office Products