Samurai Shop via Amazon offers Prime members two Nestle KitKat Japanese Green Tea Bar 12-Packs (24 pieces total) for $13.88 with free shipping. That's the lowest price we could find for the quantity by $5, excluding the below mention. These matcha-flavored chocolate & wafer treats are made in Japan.

A close price: Kazu5743 via eBay offers 12-packs for $6.97 each with free shipping. (This item ships from Japan and requires two to four weeks for delivery.)