LEGO Marvel Super Heroes: Guardians of the Galaxy

Lego Marvel Super Heroes - Guardians of the Galaxy: The Thanos Threat is a computer-animated Lego film based on Marvel Comics and starring the Guardians of the Galaxy

The Build Stone is an artifact that enables it's wielder to build any weapon. After Yondu and the Ravagers steal it from Ronan the Accuser while he and Nebula were stealing it for Thanos, the Guardians of the Galaxy compete with the Ravagers and Ronan the Accuser to claim the Build Stone and deliver it to the Avengers before Thanos can use to to build his Big Laser Thingy (or BLT for short)