This way, that way, back again, and every which way! Zig-n-Zag Activity Ball has weight inside which creates an unpredictable roll. This cat toy from Go Cat Go is a challenging toy for active cats. The unpredictable roll of the Zig-n-Zag Activity Ball keeps your cat on its toes and hunting instincts high! So add a little spontaneity to your cats life with the Zig-n-Zag Activity Ball from Go Cat Go!