Twin X-treme RC

Notable parts

• 3 parts appear in only a few other sets: Wheel Cover 9 Spoke - 24mm D. (Red) ×4 — also in 8678 Ultimate Build Francesco; Motor, RC with Steering Mechanism and Receiving Unit, Dark Bluish Gray Base… (Light Bluish Gray) — also in 8183 Track Turbo RC (all Racers); Technic Car Spoiler 3 x 8 [Three Holes] (White) — also in 8262 Quad-Bike, 7726 Coast Guard Truck with Speed Boat.
• 1 mould first came out in 2009, including in this set: Motor, RC with Steering Mechanism and Receiving Unit, Dark Bluish Gray Base….
• 5 existing moulds first came out in their colour in 2009, including in this set: Brick Curved 4 x 1 No Studs [Stud Holder with Asymmetric Ridges] (Green) ×4; Wheel Cover 9 Spoke - 24mm D. (Red) ×4; Tile 1 x 6 with Groove (Green) ×3; Plate Round Corner 3 x 3 (Green) ×2; Windscreen 3 x 6 x 1 Curved with 2 Circular Stud Holders in Bottom (Black).

Calculated from Rebrickable’s public set inventories, excluding sticker sheets and spare parts.