Planet Finska 5 Puzzles in One Tricky Box. This set of quality hardwood puzzles includes the legendary: Snake Cube, Star Puzzle, Soma Cube, Diamond Cube and One Tricky box puzzles. If you can't beat the puzzles no matter what you try, the solution is on the underside of the card packaging. Great gift for holidays, particularly for kids who need a break from screen time. No batteries or annoying cords required.