Map Maker's Toolkit.zip is a release file of the Minecraft map Map maker's starter toolkit, made for Minecraft 1.11. It was published on December 15, 2016 and is 1 MB in size. For the full description, screenshots and every other version, visit the Map maker's starter toolkit map page.
How to install: Extract the .zip and move the world folder into .minecraft/saves; the map then appears in your Singleplayer list.