Challenge your dog the karlie doggy brain train 2 in 1 dog intelligence toy stimulates your dog to use its head and put its brain to work in order to get to the treat boost their intellectual performance through play and prevent the onset of boredom with this cool soft wooden dog toy you can enjoy two games in one in the sachet game you hide tests under the game pieces and your dog has to find them the slider game on the other hand work with the use of sliding pieces your dog has to