Square Packing Challenge - Brain Teaser Wooden Puzzle

Approximate Dimensions: 3" x 3" x 3"

This is a very hard packing problem wooden puzzle. invented by Professor John Conway's, Cambridge University Mathematician.
Holds 17 different shape pieces to be removed and repackaged in the wooden box. It seems that the 17 pieces will never fit back into the box, can you solve the problem?

Perfect for the talented puzzler.

Approximate Dimensions: 3" x 3" x 3"

Difficulty Level: 5 Extreme

Instructions or Solution Included: Yes

Age Group: 10 & Up

Barcode: 721405376476