The Helix Universal Locking Compass & Shatter-Resistant Protractor is a modern, ergonomic compass perfect for all ages! Integrated into this innovative compass are a twist-lock that quickly secures the legs in place for accurate circle size and guaranteed precision, and an automatically retracting compass tip when the legs are closed! Great for young children who are just learning about geometry, circles and angles the compass also includes a built-in circle radius measuring arm graduated in Inch and Metric so the child can easily draw the right sized circle. The set also includes a 6 inch shatter-resistant protractor which, if broken will not shatter and create dangerous plastic shards, and this protractor is made with translucent material and beveled edges so you can easily see what you are measuring. 2 Piece set includes Universal Locking Compass & Shatter-Resistant Protractor.
 
Key Highlights:
2 Piece Geometry Set includes Compass & Protractor; great for BTS!
Innovative compass features a twist-lock and automatically retracting safety tip for safety!
Compass features integrated distance measuring arm is graduated in both inch and metric
Compass draws up to a 12" diameter circle
6" Shatter-resistant protractor with beveled edges for easy use
Great first Geometry Set!