If you are still in need of The Black Series 6-Inch The Child figure, Amazon is taking orders for him, with an estimated ship date of 5/24. It is sold and shipped by Amazon. Price is $9.99 each.
Amazon Direct Product Link.
Also if you want guaranteed mint, Entertainment Earth is still taking preorders for the child as well. Price is $9.99 with a estimated ship date of this month (May).