This puzzle is a copy produced by puzzle design Ton Delsing. Slid the numbers into order. Start: remove orange center piece & piece number ten. Green pieces are immovable. Material MDF.
Copy produced by puzzle design Ton Delsing.F. D. The world famous Initials. Frank Delano Roosevelt's Initials.Registered U.S. Patent Office.The F consisted of 5 red pieces, the D of 6 blue pieces.Material. Thin Plastic.