After a server by server roll out, the new PRACTICE TOOL is now available on all Riot regions!You can access this new tool through the new client - go to play, hit change game type, select "training", then launch PRACTICE TOOL! You can enter with up to one bot and have a variety of testing options, dummies to hit, and more! Check it out in action with this montage:
"At its core, Practice Tool is a place where you can train your mechanics. It’s the training gym where you can go to brush up on your Lv1 last hitting, that early jungle gank route or your Riven mechanics. A simple, straight forward, single-player environment that lets you test out things like checking wall flash points or if you can solo dragon with a certain item build, without wasting hours in Custom Games. As League gains more and more similarities to a sport, it makes sense that there be a place where you can go to shoot hoops!
Read More: http://riot.com/2jbE7Pz."