There are just four pieces to fit into a tray that's clearly way oversized for them. How hard could that possibly be? It pays to keep this puzzle's name in mind...

Sleazier (executive edition)

4.25 by 4.25 inches, Lucite
Difficulty:  (Challenging)
$25 each

Now also available in this economical CD jewel-case edition!

(Tray and piece colors are likely to differ from those in the photo.)

Sleazier (CD jewel-case edition)

5.5 by 5 inches, acrylic
Difficulty:  (Challenging)
$12.75 each