Rockler's is my main store for woodworking supplies and I saw their new "Stick Fast CA Thick" the other day and tried it. With their "Stick Fast Accivator" it really worked well in the train room. It is VERY thick. For placing figures, put a little dab where you want the figure, place it and hold it with a finger and give the acivator a squirt and it is a real instant stick. For fine work, you can squeeze it dirrecrtly from the bottle in a VERY small bead, stick and adjust the parts and then give it a squirt. I have used other CAs with activators, but nothing that works this well.
I do not work for Rocklers nor do I get a commission, but I do like this product. If others have tried it, I would be interested in your applications and how well it worked.