Amazon.com: MyBuild Mecha Frame Titan - Toy Building Sets Mecha 6 Inches, Build Robot Mech, Adjustable Action Poses, All Major Building Bricks Compatible, for Mech Fans : Toys & Games
Winnie the Pooh's Mech hangar alternative build (credit to Moko for Mech design) : r/lego
LEGO MOC EXT - 1 Mech Frame by Ransom_Fern | Rebrickable - Build with LEGO