SET. OF PEDRAS DO RIVER GONGE

River Stones.
Set of 6 pieces (3 small: 25x25x25/4,5cm and 3 large: 36x36x36/8,5cm).
Excellent instrument for coordination and balance work with guaranteed fun.
By varying the side, the degree of difficulty also varies.
The bottom surface is covered with rubber to prevent slipping and to protect the floor.
Includes a book with exercise suggestions.