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Nail Puzzle Free Project Plan

Nail Puzzle Instructions
Here is great puzzle. Everyone will say it is absolutely impossible to do! The problem is to balance all 10 nails on top of the middle nail. The balanced nails cannot touch anything and must all be balanced above the head of the center nail.


Step 1
Cut the three wood blocks, parts number 1 and 2, to size and sand all over.

Step 2
Carefully glue the three wood blocks together as shown.

Step 3
Using a router and a 3/16 inch radius cove cutter with a a ball-bearing follower, make a cut along the top edge.

Step 4
Carefully locate the eleven holes using the given dimensions in the top view.

Step 5
Drill the ten outer holes so that an 8 penny common nail will fit loosely. Drill the center hole so that an 8 penny common nail will fit tightly.

Step 6
Finish all over with a high-gloss finish. Sand all over and add a coat of paste wax.

Step 7
Add the center nail, part number 3, making it a tight fit. Add the 4 felt pads, parts number 4. clean out the ten outer holes so the 10 nails can be inserted and removed easily. You're ready to test your puzzle.

Before looking at the answer, try to balance the 10 nails on the head of the center nail. Click here for answer key. Have fun!

No.	Name	Size	Required
1	Block (Walnut)	3/4 x 2 1/2 - 3 1/4 LG.	2
2	Block (Maple)	3/4 x 2 1/8 - 2 7/8 LG.	1
3	Nail - Common	8d	11
4	Felt Pad	1/2 DIA.	4

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Nail Puzzle Answer:

 
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