[2.1.0] Tekkit Wonderland of Greatness, Awesomenes
Tekkit 2.1.0 this one is when tekkit had Forestry and some other mods that were removed version tekkit 3. To downgrade to tekkit 2.1.0:
Download a fresh minecraft 1.1 jar and rename it "minecraft_1.1" without quotes.
Open up your start menu and in the search box type %appdata% and this will take you to your roaming file.
Open up your .techniclauncher file and then open the cache.
Place the minecraft_1.1 jar into the cache.
Open up Technic Launcher then click options.
Check "Manualy Choose Build" and scrool down unti you see version 2.1.0
Lastly have the launcher Download it and Enjoy.