Nina Ottosson Puzzle Toy, BrickRequires dog to first dislodge removable bones, then to push sliding covers and access hidden treats. Level of difficulty can be varied, depending upon the dog's experience.
On a difficulty scale from 1 being low to 3 being high, this game is a 2 to 3.
- Brand: Nina Ottosson
- Type: Interactive
- Difficulty: 2-3