Lego Set ID with lime green and grey pieces?
These are parts from

8192-1: Lime Racer

besed on the Slope, Curved 2 x 2 Lip, No Studs with 'RUN' and 'V8' Pattern Model Left (Sticker) - Set 8192

and parts from 

7052-1: UFO Abduction

based on the Slope 33 3 x 2 with Alien Insignia Pattern (Sticker) - Set 7052