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ARCHITEST™ is an entertaining puzzle that challenges your knowledge of several basic architectural principles. The single solution combines elements of simple roof design utilizing the inherent physical properties of the seven (20 penny) common nails. The fun is in the embarrassing simplicity of the solution

The Challenge
1) Place Architest on a level surface.
2) Remove the nail stored in Architest and place it securely in the hole on the top.
3) The Challenge: Place the remaining six nails on the head of this "post" nail in such a way that all six nails will balance from a single point of contact. Only the "post" nail may touch the wood block.

Price: $25.00 Includes tax, shipping and handling.
Discounts available on orders over a quantity of 6.