A puzzle game of Kikker by Max Velthuijs. The puzzle game has easy and hard puzzles that can be played by both kids and adults! There are many original illustrations of Kikker and his friends that you can choose from and unlock by collecting butterflies. Kikker Puzzle,puzzle game,Max Velthuijs,kids puzzle,adult puzzle,puzzle game for kids,puzzle game for adults,butterfly collection,brain teaser,logic puzzle,educational puzzle,Kikker characters,puzzle game app,online puzzle,easy puzzles,hard puzzles,brain training,family game night,Kikker,children's game