Slides! Made out of acorn pieces and whatever else. A fast way to get down tall distances. Could be a fun add on to bases or even used like zip lines to travel long distances. 

Yep, there are mechanics to get up high quickly and we can get down even quicker as long as you aren't trying to relocate something e.g. running err sorry crawling with a stem pallet, lol. Having a slide or alternative as you suggested whilst relocating grass/stem pallets would be a big help to base building