An on-the-go puzzle with a tactile twist! Each shape has a raised pattern easy to identify by touch and high contrast colors. Those on the autism spectrum and others who enjoy tactile sensations will delight in how shapes and textures work together to form a logical pattern. Warning: this puzzle can be addictive. Players delight in solving it over and over again, making Slide, Twist ‘n Solve an ideal take-along when traveling. The solution key is even on the back…..just in case frustration sets in.