Pkg of 20 - 6" Wooden Mood Rulers

It doesn't matter how old you are, color changing items will always be awesome. These sturdy wooden rulers are a fun and unique way to promote 9-1-1 public education messages. 

Features

• Assorted colors: Orange, Green
• Package of 20
• 6" long with measurement increments included
• Changes color from the heat of your hand:
  • Green to Yellow
  • Orange to Yellow
• Proudly made in the USA
• Black imprint: "MAKE IT A RULE: CALL 9-1-1 IN AN EMERGENCY"