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Amazon [amazon.com] has 357-Pc LEGO Speed Champions: Back to the Future Time Machine Building Set (77256) for $23.49. Shipping is free with Prime or on $35+

Target [target.com] also has 357-Piece LEGO Speed Champions: Back to the Future Time Machine Building Set (77256, 2026) for $23.49. Select free store pickup where available, otherwise shipping is free w/ Target Circle Card, Target Circle 360 Membership, or on $35+ orders.