Amazon.com: LECPOP 5 in 1 STEM Projects for Kids, Building Block Sets for Boys, Construction Toys for Kids Ages 8-14, RC Bulldozer/Robot/Dump Trucks Engineering Toys, Ideal Gifts for Boys & Girls :
Lego Technic Construction Motorized Bulldozer 8275 Power Functions Assembled | eBay
My collection of Lego Technics with 3 more on the way that I bought off E-bay. Lego technic 8275 motorized bulldozer, lego technic 42009 mobile crane mk II and lego technic 8258
LEGO Technic RC Bulldozer With Motor 8275, Nip, # V- 376 | eBay