5 layers of 6 interlocking pieces make up this 30 piece jigsaw puzzle.  Each layer is a unique puzzle. 
 
Made from Mulberry from a tree that was taken down near Plano Road and Independance in Plan.   6" wide, 5" deep and 4" tall.   
 
Each layer is a unique puzzle. Take the layers apart and mix the pieces together - it take a while to put together!