Multi-Challenge Race Track

Notable parts

• 3 moulds appear in no other set: Technic Track System Gate 1 x 11 with End Tab and Three Holes ×6; Battery Box, Track System, Energizer Track 16 x 15 x 2 ×4; Track System, Y-shaped Track 24 x 16 x 2 ×4.
• 4 parts come in a colour no other set has for that mould: Track System, Curved Track 17 x 12 x 2 (Dark Gray) ×17; Track System, Y-shaped Track 18 x 16 x 2 (Dark Gray) ×2; Animal / Creature Accessory, Horse Hitching, 1 x 2 Plate and 2 x 2 Plate… (Green); Hose Rigid 3mm D. 40L / 32.0cm (Yellow).
• 6 printed parts are only in this set: Brick Curved 2 x 2 with Lip, No Studs with Silver and Red with Circle Print (Black); Brick Curved 2 x 2 x 2/3 Two Studs and Lip End with 'M', Black/Red/Green Print (Lime); Brick Sloped 2 x 2 No Studs, with 3 Side Pistons Raised Edges and… (Black); Mudguard 2 x 4 with 2 x 2 Studs and Flared Wings, Red/Silver Stripes Print (Set… (Black); Tile 1 x 2 with Blue, Black, Silver, and Yellow Stripes Left Print (Blue); and 1 more.
• 12 parts appear in only a few other sets: Hose Rigid 3mm D. 12L / 9.6cm (Yellow) ×2 — also in 8246 Hydro Racer; Plate Special 1 x 1 with Clip Light, Bar Hole [Thick Ring] (Medium Blue) ×2 — also in 7212 Inflight Sales; Mudguard 2 x 4 with 2 x 2 Studs and Flared Wings, Blue/Black/Silver/Yellow… (Medium Blue) — also in 8383 Nitro Terminator (all Racers); Road Sign Clip-on 2 x 2 Square (Yellow) ×4 — also in 4855 Spider-Man's Train Rescue, 7243 Construction Site; Racer Driver, Brick Special 2 x 2 No Head (Dark Gray) ×2 — also in 4595 Zero Tornado & Hot Rock, 8350 Pro Stunt (all Racers); Technic Axle and Pin Connector Angled #3 - 157.5° (Brown) ×2 — also in 7139 Ewok Attack, 8002 Destroyer Droid; Track System, Ramp Track 16 x 8 x 6 (Dark Gray) ×2 — also in 4586 Stunt Race Track, 4852 Spider-Man vs. Green Goblin -- The final showdown; Wheel Small Wide Hard Plastic with Axle hole, Tread (Black) ×4 — also in 6732 Brickster's Trike, 4582 Red Bullet, 4588 Off-Road Race Track; Hose, Ribbed 7mm D. 16L / 12.8cm (Pearl Light Gray) ×2 — also in 9764 Power Puzzle Challenge Kit, 8466 4x4 Off-Roader, 8596 Takanuva; Technic Axle and Pin Connector Angled #4 - 135° (Light Gray) ×2 — also in 8465 Extreme Off Roader, 8366 Supersonic RC, 4404 Land Busters; Brick 1 x 12 (Dark Gray) ×2 — also in 4094 Motor Movers, 3451 Sopwith Camel, 4735 Slytherin, 10129 Rebel Snowspeeder; Technic Axle and Pin Connector Angled #5 - 112.5° (Tan) — also in 8553 Pahrak Va, 10143 Death Star II, 8542 Onewa, 8001 Battle Droid.
• 1 part is otherwise only found in Racers sets: Racer Driver, Brick Special 2 x 2 No Head (Red) ×2.
• 1 mould first came out in 2003, including in this set: Mudguard 2 x 4 with Molded Headlights ×2.
• 4 existing moulds first came out in their colour in 2003, including in this set: Road Sign Clip-on 2 x 2 Square (Yellow) ×4; Plate Special 1 x 1 with Clip Light, Bar Hole [Thick Ring] (Medium Blue) ×2; Technic Beam 1 x 7 Bent (4 - 4) Thick (Yellow) ×2; Mudguard 2 x 4 with 2 x 2 Studs and Flared Wings (Medium Blue).
• 6 minifigure parts with their print are only in this set: Helmet, Standard with Lime 'M', Black, Red, and Green Print (Lime); Helmet, Standard with Silver/Black/Medium Blue/Yellow Print (Set 8364) (Blue); Helmet, Standard with Yellow/Red Flame, Silver Dot Print (Black); Minifig Head, Balaclava with Silver Trim, Nose Hump, Eye Whites Print [Blocked… (Black); Minifig Head, Blue Glasses, Long Black Bangs and Open Mouth Print [Blocked Open… (Yellow); and 1 more.

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