Here I have tackled the first section and removed the rear propeller structure from the helicopter.

All the parts here came off fairly easily with the use of a Phillips head screwdriver.

Rear side tail | Length - 96mm; Width - 43mm

Rear top Tail | Length - 71mm; Width - 44mm

Rear propeller | Length - 110mm; Width - 14mm

Tail Brace | Length - 180mm; Width - 3.5mm