about Pre-order for B-2 kit, our B-2 retail price will be 149.99USD, about release date, we are fix the design error now, we hope can fix it in 2 month, and after that, we will start to making molds. all new picture for B-2, we will publish in our site and facebook.
first 100 orders , pre-order price, 69.99USD
second 100 orders, pre-order price, 89.99USD
third 100 orders, pre-order price, 119.99USD
and after that, its will back to normal retail price.