Zero Tornado & Hot Rock

Notable parts

• 3 printed parts are only in this set: Mudguard 2 x 4 with 2 x 2 Studs and Flared Wings, Orange Stripe & Red Fade with… (Blue) ×2; Brick Curved 2 x 2 x 2/3 Two Studs and Lip End with '37' and Red, Orange, and… (Medium Blue); Brick Sloped 2 x 2 No Studs, with 3 Side Pistons Raised Edges and '46', Orange… (Yellow).
• 5 parts appear in only a few other sets: Mudguard 2 x 4 with 2 x 2 Studs and Flared Wings, White Stripe and Red Fade… (Orange) — also in 4582 Red Bullet, 4310 Orange Racer (all Racers); Racer Driver, Brick Special 2 x 2 No Head (Dark Gray) — also in 8364 Multi-Challenge Race Track, 8350 Pro Stunt (all Racers); Plate 4 x 12 (Brown) — also in 3451 Sopwith Camel, 10150 Assorted Brown Plates, 5987 Dino Research Compound; Plate Special 2 x 2 with Grills (Orange) — also in 4411 Blue Strata XXL, 4592 Red Monster, 4193355 Racers Drome Clock; Plate 1 x 10 (Brown) ×2 — also in llca22, 10150 Assorted Brown Plates, 10124 Wright Flyer, 4538 Special Edition Tub.
• 3 parts are otherwise only found in Racers sets: Wheel 11 x 12 with Hole Notched for Wheels Holder Pin (Medium Blue) ×4; Motor Pullback 2 x 6 x 1 2/3 Type 2 [Fast] Black Base, White Axle (Dark Gray); Racer Driver, Brick Special 2 x 2 No Head (Red).
• 6 moulds first came out in 2002, including in this set: Brick Curved 6 x 1 ×4; Mudguard 2 x 4 with 2 x 2 Studs and Flared Wings, White Stripe and Red Fade… ×3; Motor Pullback 2 x 6 x 1 2/3 Type 2 [Fast] Black Base, White Axle ×2; Racer Driver, Brick Special 2 x 2 No Head ×2; Brick Curved 2 x 2 x 2/3 Two Studs and Lip End with '37' and Red, Orange, and…; and 1 more.
• 3 existing moulds first came out in their colour in 2002, including in this set: Wheel 11 x 12 with Hole Notched for Wheels Holder Pin (Medium Blue) ×4; Plate 1 x 10 (Brown) ×2; Tile Special 1 x 2 with Handle (Medium Blue).
• 1 minifigure part with this print is only in this set: Helmet, Standard with Checks and 4 Silver Stars Print (White).

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