This is a couple day Activity to help with a better understanding of Genetics, Punnet square, and Dominate and Recessive genes. Students with roll the dice to come up with the "Parent" Monster. Then using a Punnet square, finding what their offspring will look like when paired with a classmate. A easy spinner can be made with a small colored pencil and a extra large paper clip. The students Hold the colored pencil on the intersection of the large Punnet square with numbers and swing the paperclip around the pencil. Where ever the paperclip lands is the genotype of their F1 offspring.