Kids and Family Aikido Dues › Additional sibling dues (monthly) Additional sibling dues (monthly) Sale Price: $30.00 Original Price: $60.00 Each additional sibling gets a 50% discount.3 - $30 monthly payments per additional sibling to complete the course. Add To Cart Added! Each additional sibling gets a 50% discount.3 - $30 monthly payments per additional sibling to complete the course.