Butterfly Junior Kit, almost the same as the RTF, but with Flat Bottom airfoil March 25, 2014 by “Souper Coupe Short Kit” has been added to your cart. View cart $11.00 Out of stock SKU: BFK02 Category: Kits Additional information Additional information Weight 0.5 lbs Dimensions 7 × 2 × 25 in Related products Space Rod (white box) $68.75 Add to cart Slow Worm 432 (red box) $72.00 Add to cart Dakota (white box) $40.25 Add to cart Souper Coupe Short Kit $19.00 Add to cart