Unravel the gemstone to lie flat;Twist and turn the pieces to return the gemstone to its original spherical shape;The more you twist the puzzle out of shape, the harder it is to solve;It consists of 12 pentagonal pyramids connected to each other by an elastic rope;The elastic enters and exits each piece through a slot on the sides

• Mind Jewel Geometric Puzzle Brain Teasers Puzzle Twisty Toy NEW
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Mind Jewel Geometric Puzzle Brain Teasers Puzzle Twisty Toy NEWRT