Brain Games For Dogs Diy . The shell game is another simple brain game for dogs. Take two opaque plastic cups and flip them upside down. Spel 5 (hondenspel hond spel denkwerk hersenwerk brain dog game play from www.pinterest.com Toys for puppiescute dog toyshow to make dog toyspuppy toysfunny dog toyspuppy toys diy homemadedog toystoy dogsdiy toys for dogsdog toys cutebest puppy toyscat toystoys for. You’ve probably seen it before — it’s the game where a treat is hidden under one cup (or shell) and. It's a fun toy all by itself but it can easily be turned into a food dispensing brain game.