Trail and Error

At first, this seems to be just a little jigsaw puzzle, and it is, but it's a tricky one, and that's just the beginning of the solving experience! Pavel's 10½-year-old nephew handily solved his version of this one; can you do as well with yours?

Trail and Error

64 pieces, acrylic, about 11 inches square assembled
Difficulty:  (Easy)
$35 each