Patented by W. Clark 1984, made by Innoventures Inc.
(plastic, 1.8 inches)

Like the 2x2x2 Varikon Box 2x2x2 Varikon Box except that through holes in the box a finger can rotate a cube. Jaap's Page observes that it can be solved by first rotating each cube to its correct orientation and then solving like the 2x2x2 Varikon box. Here are the directions on the back of the package:



Further Reading
Jaap's Page, from: http://www.jaapsch.net/puzzles/clark.htm
Clark Frist 1984 Patent, from: www.uspto.gov - patent no. 4,424,971
Clark Second 1984 Patent, from: www.uspto.gov - patent no. 4,488,725