Image Item No. Description  47455  Technic Rotation Joint Ball Loop with 2 Perpendicular Pins with Friction Catalog: Parts: Technic  99012  Technic Rotor Blade Small with Axle and Pin Connector End Catalog: Parts: Technic  32273  Technic Turntable 4 x 6, Base Catalog: Parts: Technic  32274  Technic Turntable 4 x 6, Top Catalog: Parts: Technic