Solve the great What’Zit puzzle, these multi-colored pieces that can be placed back in the wooden tray or simply make a stackable structure. 6 puzzle per counter display that will. The What' Zit Puzzle is fun for kids of all ages and has over 7 different ways of solving. This is a great activity for individuals on the Autism Spectrum as it provides a fun, fidget activity with hours of fun. The wooden tray measures 6" by 6."