to be fast enough and not run off the villager has to actually disappear after you use the power on them

fast enough to disappear, they ran fast but I could always see them.

I saw what the time warp did to a villager so I thought I try out the build off challenged so use it on a master builder and he won and got the another peace of the nick-less and I got her on our side a beleaver

When I use the time wrap on a villager but before you do make sure who he or she is as they are hard to catch, then go to your villager details and you be able to locate him/her and then put him/her to the build off

The first time I tried the build-off puzzle I put the villager on the building supplies before using the time warp. When I used it on him while he was in the build-off he jetted off towards the huts to repair them. I grabbed him and took him back to continue but he just stood there and shook his head. When the time warp wore off and I had enough energy I took the builder back to try it again. Before placing the builder on the supplies to start I used the time warp on him then placed him on the supplies ad it worked like a charm. I guess thats what you have to do use the time warp on the builder then put him/her on the supplies.

I make my builder study medicine, then use time warp while he's in the hospital. He'll be busy in the hospital for quite some time, and you'll be able to catch him no problem. I also guess that you could do the map-button-floaty-thing, where you would pick up your builder and press the M key before setting him down.