disentanglement puzzles Educational Toys WT411 Heart Metal Game Brainteaser Wisdom Challenge Intellectual Training Creative Thinking IQ Magic WT411 Heart Metal Size(Aprox.): 13 x 5cm (5 1/8"x1 31/32")Thickness:0.2cm (5/64") Intelligence game ,great challenge for kids and adults Age 6+ There are hundreds of different puzzle toys on my store. If you like my store, please add to your favorite. Thank You.