Equa is a level 5 cast metal brain teaser puzzle where one attempts to completely separate all 3 pieces and then rejoin. The puzzle consists of an outer sphere-shaped frame and two circular smaller internal pieces. The two smaller center pieces float around inside the frame.
This brain teaser is a great challenge for anyone who enjoys mechanical style take-apart challenges. Recommended for ages 12 to 105 years. Some bright 8 to 11 years olds may also find this a fascinating challenge. The solution requires clever movements. NO force is ever required. Some may solve initially but not know (remember) exactly how the pieces came apart. Re-assembly is also a fun challenge.
Rated by the manufacturer as a level 5 difficulty (on a scale of 1 to 6 where 6 is the most challenging. Your experience could differ. Measure slightly under 2 inches long when stretched out flat.
EQUA is one of 45 different cast metal, pocket-size puzzles produced by the Hanayama Puzzle Company of Japan.