LEGO 40338: Christmas Tree | Brickset: LEGO set guide and database
Amazon.com: LIGHTAILING Light Set for (Creator Christmas Tree) Building Blocks Model - Led Light kit Compatible with Lego 40338(NOT Included The Model) : Toys & Games
LED light kit for Lego Christmas Tree 40338 (light only ) – BRICKSTARS
Amazon.com: LMTIC Lighting Kit for Lego Christmas Tree 40338 Building Kit Light Set Compatible with Lego Holiday Christmas Tree Light Kit for Lego 40338 (NOT Included The Lego Sets) : Toys & Games