Takara Wingblade Optimus Add-on Kit?

{mosimage}It looks like online store YaHobby has a listing for an add-on kit that basically upgrades TA-01 Optimus to TA-38 Wingblade Optimus. According to the listing, the set includes 1 Wingblade kit, 1 hammer, 2 fists, 2 gun emplacements, and 2 missiles, and set for $24.99

See the listing at YaHobby.