Smart Poly Stop Light Behavior Mini Bulletin Board Set teaches young students about their emotions by grouping them into four zones: Blue (rest area), Green (good to go), Yellow (slow down) and Red (Alert! Stop!). Write-on/wipe-off surface lets you write directly on the board and quickly wipes clean for your next idea. No lamination is needed. Great for reusable learning, this heavy-duty poly material is designed to be long-lasting, easy to clean, waterproof and durable for many years. Use with dry-erase or water-based markers and washable crayons for interactive play and educational development. Each colorful, 45-set includes pictures of real children's faces showing the emotion listed below as well as helpful tips for each zone.Smart Poly Stop Light Behavior Mini Bulletin Board Set teaches young students about their emotions by grouping them into four zones: Blue (rest area), Green (good to go), Yellow (slow down) and Red (Alert! Stop!). Write-on/wipe-off surface lets you write directly on the board and quickly wipes clean for your next idea. No lamination is needed. Great for reusable learning, this heavy-duty poly material is designed to be long-lasting, easy to clean, waterproof and durable for many years. Use with dry-erase or water-based markers and washable crayons for interactive play and educational development. Each colorful, 45-set includes pictures of real children's faces showing the emotion listed below as well as helpful tips for each zone.