He can once again use batarangs and make use of special stations to change into 4 new suits: In LEGO Batman 2, Robin once again plays a primary playable role in the story, acting as Batman's sidekick for many levels. This replaces the Water Suit and the Technology Suit in the DS version of the game.
They both grew a strong connection with each other, but Jason was getting noticeably more violent. Wanting to help young Jason and stop him from continuing his life of petty crime, Batman took him in as the second Robin. In between, Batman caught a child named Jason Todd stealing the wheels off the Batmobile. Over the years, Dick had grown to become too old for the mantle and gave it up to become the mantle based on the legendary vigilante, Nightwing.
Dick gladly accepted, and Robin was born. Bruce then offered Dick the mantle of Robin. He then showed Dick the Batcave and revealed himself as Batman. Bruce Wayne saw it happen and instantly realized the connection between them. Dick Grayson was a circus acrobat in Haly Circus and their main act, The Flying Graysons when his parents were killed by mobster Anthony Zucco.