This K-12 Math 2-D Shapes Pattern Blocks Fractions Math Homeschool is an excellent way for children to get hands-on math experience and develop their problem-solving skills. Each pattern block is a different color and shape, making it an exciting and engaging challenge to match them up to the designs on the included worksheet. The blocks can be combined to create all sorts of 2-D shapes. MISSING Pkg 16.   Pictures are the best description of details and condition. If you have any question send me a message and thank you for looking.