Dog Smart Puzzle is a level 1 dog puzzle from Nina Ottosson.
 
Problem solving skills
Feeds natural foraging behaviours / instincts
Mental and physical stimulation
Slow feeding
Boredom buster
Easy to clean
Suitable for dogs of all ages and size
 
Perfect for dry dog food, kibble, treats, wet food and raw food.  
Easily wash with warm water and mild soap. Rinse thoroughly
Remember to supervise where needed