Westcott 2 Piece Math Tools 2 Piece Compass & Protractor Set – Link

Amazon has this currently marked down to just 98¢.

Note that this is an Add-on Item which ships with a $25 Amazon order.

• Plastic point compass draws up to a 13″ diameter circle
• Compass includes easy grip top control with two-sided 6-inch/15-centimeter measuring
• Plastic 180-degree protractor is shatter resistant with a 6″ ruler
• Highly functional and fun to use with exciting colors and designs