Transformers Combiner Stunticon With this Power Core interchangeable robot combination system, Mini-Cons (sold separately) and drone vehicles can attach to power up any Commander figure Collect more packs and you can create tons of unique and fierce robot battler figure combinations With this Power Core interchangeable robot combination system, Mini-Cons (sold separately) and drone vehicles can attach to power up any Commander figure Collect more packs and you can create tons of unique and fierce robot battler figure combinations