I've been buying bags of randomly assorted lego from local thrift stores for about 2 years now and decided to remake a set I ended up having to sell to make ends meet. Junkyard Wall-E is just as helpful as the original, but his treads didn't make it. The red string is some exposed wires for his optical parts, and he has wheels for moving around. Also Moc'd up a boot with a plant for him to keep and a small junk cube for him to make while he's on the job! (Probably going to end up ordering...