A redeco of Ozu, Geki transforms from a robotic mammoth into a grenade launcher. As part of the Arms Micron gimmick, Geki features numerous 5mm peg-holes and pegs, allowing him to combine with other Microns to form bigger and more ridiculous "Combo Weapons" and "Super Combo Weapons". He is specifically meant to combine, however, with Sen, Ex, Shou, and Go to form the Gojōgōdenjin great sword, the Gojōgekidohō cannon, the Gojōharyūtsui hammer, and the Yonjōnagamitsu nagamitsu. Geki comes out of the package as a bunch of unpainted parts on runners, like a model kit. Unlike the Arms Microns from the Japanese Prime toyline, he has a tampographed Autobot symbol on his Energon crystal, rather than a sticker beneath it.
Geki was only available with the purchase of more than 3000 yen worth of Transformers: Go! toys at most Joshin Kidsland and Bic Camera stores starting on November 16th.
While it's not made explicit that Geki is designed to go with Gekisoumaru, we can infer that fact from his color (blue, like Gekisoumaru), name ("Geki", from "Gekisoumaru"), and the fact that other Autobot Arms Microns from Transformers: Prime had names based off their primary users.
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