Street ShowdownEditThe Street Showdown set comes with two building kits, one for Wheeljack and one for Knock-Out, as well as 4 Kreon minifigures consisting of Wheeljack, Knock-Out, Green Driver (Wheeljack) and Gray Driver (Knock-Out).
Collect all 7 special pieces from exciting series of Kre-O Transformers from 2012, the "Quest for Energon" Building Sets. Combine all 7 special pieces to form the The Quest Blaster!
Autobot Command CenterEditKnockout is a Decepticon Kreon released in the Autobot Command Center building set, based upon the characters appearance in Transformers:Prime, the set includes Kreons of Arcee , Bumblebee , Ratchet , Shockwave , and Knockout . (MSRP $49.99)