After Hours

Photos: Perplexus Original 3-D puzzle toy

Perplexus Original Spiral

Just past the midpoint, moves 65 and 66, involve the large spiral at the center of the sphere.  You will use both sides to successfully continue to move 67.

For more details, read my Geek Gifts 2011 review of the Perplexus Original 3-D puzzle toy.

Screenshot by Wally Bahny for TechRepublic.