Standing at a nonthreatening four feet and weighing about 95 pounds, the C-3PO wanna-be can move around the house, flipping light switches, opening doors and doing simple tasks at tables and benches.
C-Max is about 300 pounds heavier than Prius v despite a smaller footprint, and has about the same amount of passenger space though a bit less cargo room.
Where a C-class motor from Estes puts out the equivalent of 2 pounds of thrust for one second, an H-class motor--the entry point to high-power rocketry--puts out 55 pounds.