Made by SOCUBE, Kuala Lumpur, Malaysia, 2009.
(plastic, 2.1 x 2.1 x 1 inch;
white opposite yellow, red opposite orange, blue opposite green)
Availabe at McDonalds in the U.K. 2002.
(plastic, 3.5 inches)
A very easy (but cute) puzzle.
Further Reading
Jaap's Page, from: http://www.jaapsch.net/puzzles/morph.htm