Tetrametric Mech Puzzle Brainteaser

Disassemble these clever brainteasers, then try to correctly put them back the way they came! Each puzzle contains six cleverly designed interlocking pieces. Made of plated nickel and finished in attractive bronze, gold and black. Keltic Cube measures 3"x3" while Tetrametric measures 2-1/4" square . Solutions included. Designed by Doug Engel.