This is a completed toy designed for children.
From the Lego website:
Team up with Batman™ to take on Clayface™ and free Mayor McCaskill from the clay prison in THE LEGO® BATMAN MOVIE: Clayface Splat Attack set. The highly posable, buildable Clayface figure features three interchangeable hands—two with a six-stud rapid shooter each and one with a clay hammer—while Batman is armed with a Batarang to dial up the role-play conflict. Includes two minifigures and a brick-built figure.