HW Drag Strip Treasure Hunt10/10 · 2023198/250
Illustration · have this car? Upload a photo belowHKK99
HW Drag Strip Treasure Hunt · 10/10
Hot Wheels Madfast 2023
Treasure Hunt
- Toy #
- HKK99
- Collector number
- #198 / 250
- Series
- HW Drag Strip Treasure Hunt · 10/10
- Year
- 2023
- Case
- Case L
- Product line
- Mainline
- Casting
- Madfast
- Status
- Treasure Hunt
The Hot Wheels Madfast was released in 2023 as part of the mainline in the “HW Drag Strip Treasure Hunt” series (10/10), collector number 198/250, toy number HKK99.
It shipped in Case L of the 2023 assortment.
It is a Treasure Hunt – look for the circle-flame logo on the car and on the card behind it.
The Madfast casting first appeared in 2008 and has 13 releases in our database, most recently in 2026.
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We have not had this car on the channel yet. Request it – the most requested cars get unboxed first.
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Madfast: 13 versions
The 10 closest versions – see all on the casting page.
| No. | Model | Series | Series # | Toy # | Case | Year | ||
|---|---|---|---|---|---|---|---|---|
| 152 | Madfast | HW Racing | 4/10 | R7577 | 2010 | |||
| 126 | Madfast | HW Drag Racers | 6/10 | T9833 | 2011 | |||
| 126 | Madfast · color 2 | HW Drag Racers | 6/10 | V0040 | 2011 | |||
| – | Madfast | Race Rods 5-Pack | 5/5 | W4247 | 2012 | |||
| 152 | Madfast | Thrill Racers | 2/10 | BFD26 | 2014 | |||
| 152 | Madfast · color 2 | Thrill Racers | 2/10 | BFF50 | 2014 | |||
| 198 | Madfast TH | HW Drag Strip Treasure Hunt | 10/10 | HKK99 | L | 2023 | ||
| 170 | Madfast | Track Aces | 3/5 | JBB01 | 2025 | |||
| 170 | Madfast · color 2 | Track Aces | 3/5 | HYY09 | 2025 | |||
| – | Madfast | Hot Wheels Let's Race 5-Pack | 1/5 | JKG22 | 2026 |