Rock 'n Rumble Big Rig

the Rock 'n Rumble Big Rig is a set from the Shake 'n Go Off-Road line Released in 2006. it includes a semi and a trailer with an offroad course.

Description:
This big rig is rockin’ with 2-in-1 fun! Shake up the semi so it can pull the trailer. Then, open the trailer to reveal an off-road course and see what the semi can really do! The more kids shake it, the more tough terrain it rumbles over with its 4x4 climbing action! The Big Rig comes with a sign, “exploding” barrels, and rumblin’ engine sounds!

Video:
https://www.youtube.com/watch?v=sBRfC1YagLU