Obsidian. the best block in minecraft its unbrakeble unless with a diamond picaxe you can make an epic portal to another world! and all you need to make it is a bukkit of water a pit of lava! what other awesome things can it do....
it can make an awesome rollercoaster!

this coaster is safe you cannot die just enjoy the ride

Additional Notes

hay everyone i would love it if you played my map on youtube but if you do please remember to say my name and put a link to this page. SUBSCRIBE!