Quick Answer:The Board Instruments Compass is a lightweight polystyrene board compass that holds either a marker or chalk, so circles and arcs can be drawn on whiteboards and chalkboards.
Last updated: 18 October 2026
Key Features
Takes a marker or a piece of chalk.
Polystyrene plastic with a handle for ease of use.
Lightweight and made for whiteboards and chalkboards.
Technical Specifications
Specification
Value
Material
Polystyrene plastic
Drawing medium
Marker or chalk
For use on
Whiteboards and chalkboards
How It Is Used
The point is held on the board while the arm carrying the marker or chalk is swung round by the handle, drawing circles and arcs large enough for the whole class to follow. Swapping between marker and chalk lets one compass serve both kinds of board.
Frequently Asked Questions
Can the Board Instruments Compass be used on a whiteboard?
Yes. It accommodates a marker for whiteboards as well as chalk for chalkboards.