From Speks.

Crags are an oddly satisfying magnetic fidget putty that comes in a tin. Super satisfying to the touch, run these super smooth magnetic stones through your fingers for the ultimate stress relief.

• Around 150 ferrite magnetic stones
• 1 metal tin (2.56 inches)

Keep away from ALL children. Swallowed magnets can damage internal organs and have resulted in DEATH and SERIOUS INJURIES.