Making Colors with Magnets | MIT Technology Review
Jacquard Products — Jacquard Products - Chemicals - Color Magnet
Amazon.com: DLOnline 30 Pcs Office Supplies Magnets,Round Refrigerator Magnets,Whiteboards, Lockers, or Fridge Magnets (Assorted 10 Colors) : Home & Kitchen
Alphamega Colour Magnet 30 Sheets
colour magnet
Color Chart
Red and Green Button Magnets - Kull Industries - Room Status Indicator Magnets for Hospitals, Exam Rooms, and Schools (2 Pack): Amazon.com: Industrial & Scientific