TF: Stand on the rear of the vehicle with the underside facing you. Pull up & back on the cab to extend the legs. Fold the arms out.
Mixing's robot mode has the standard Micromaster articulation of turning shoulders and bending but linked together hips & knees. YES ! Last one of these don't need to describe the Micromaster Articulation again for a long time !
Mixing's vehicle mode becomes one of the legs - traditionally the left but he can be swapped with Treader to form the right - with the front of the vehicle clipping into the knee and the back onto a peg on the foot.
Mixing was sold in Japan in 1992 in the Operation Combination TF-01 SixBuilder set.
His green plastic is swapped for a more aqua blue green then his legs, head and chest become red with the latter taking a layer of grey paint.
Mixing came with SixBuilder's left foot.
Destron Mixing comes with the chase version of the combined robot's left foot that his Cybertron counterpart has.
The pale green vehicle body has purple paint on the windows with the drum painted silver. Transforming to robot mode reveals more purple & black paint on the robot parts.
"Quickmix" comes with Devastator's left foot.