C.T. Toys & Collectables on Twitter: "Check out this LEGO TECHNIC - 42028 BULLDOZER, 2 in 1 Building Toy Set, Complete but No Stickers, Box or Instructions, from 2014 https://t.co/XRgNVVxptx via @eBay_UK #
Amazon.com: LEGO Technic App-Controlled Cat D11 Bulldozer 42131 Building Set for Adults (3,854 Pieces) : Toys & Games
LEGO MOC 42121 - C MODEL BULLDOZER by Dyens Creations | Rebrickable - Build with LEGO
LEGO 42028 Bulldozer Set Parts Inventory and Instructions - LEGO Reference Guide