The hanayama hourglass puzzle is made by combining two pieces each of two similar, but slightly different shapes. They are carefully calculated, with tricky movement added. It is impossible to unravel with one linear movement.
Product Features
Contents include - 1 puzzle
For 1 player
Recommended for ages 12 and up
4 pieces
WARNING - CHOKING HAZARD - contains small parts, not suitable for children under 3 years
