You will need:
An "rc car"
An "invisibility cloak"
A clothing item that uses the chest slot (like a "shirt" or "suit")
Step 1:equip the "invisibility cloak".
Step 2:control the "rc car".
Step 3:While still controlling the car, drag the "shirt" Onto Maxwell.
Step 4:control Maxwell. he should be invisible with a shirt. remove
the shirt.
Good luck!