TC15] Lego 852 Studless Version - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums
First Technic LEGO set from 1977 - Helicopter set 852, Hobbies & Toys, Toys & Games on Carousell
LEGO 852 Technic Helicopter | BrickEconomy
Lego 852/ 954 - Lego Rocks
Lego - Technical set 852 for a helicopter, boxed with instructions dated 1977; and approximately 6kg of loose Lego sections with various instruction leaflets. - Toys, Diecast Model Cars, Dolls & Vintage Teddy Bears