Sonic Lego Set Based On Fan Design Greenlit For Production - Game Informer

The set is based on Green Hill Zone in Sonic Mania.

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Lego drops super Sonic the Hedgehog Green Hill Zone set

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Sonic Lego Set Based On Fan Design Greenlit For Production - Game Informer

Launch details and photos of the LEGO Ideas 21331 Sonic the Hedgehog Green Hill Zone set! - Jay's Brick Blog

TheLastGherkin On-Line — LEGO 21331 Sonic the Hedgehog – Green Hill Zone