It wouldn't be a Jurassic Park game without it.

Recommendation: If you are just starting, use the "Fast Build" Red Brick cheat. It makes building LEGO objects happen instantly, which significantly speeds up the gameplay and reduces the frustration of the Vita's lower frame rate during complex action scenes.

This is the defining feature of this specific LEGO game. You can physically play as the dinosaurs, which was a huge change from previous LEGO titles.

If the game appears but crashes upon launch: