Cast in Malaysia this concept sports car had a metal base with a plastic body, interior windows, and wing.  
Note: As of 2016 the rear wing is now molded into the body.

a. mf orange painted plastic, metal base,  chrome int., blue windows, orange wing, white, black and blue dragon and “1” on sides, Teku logo on hood, cm6gy/bl. Acceleracers – Teku $10 – 20
a2. mf orange painted plastic, as a, black wing, cm6gy/bl, Mal. Acceleracers – Teku 10 – 20
 a3. mf orange plastic, as a, cm6gy/bl, Mal. Acceleracers – Teku 10 – 20
Synkro (b) b. clear green, metal base, chrome int., blue windows, green wing, gold, black, and tan dragon and “1” on sides, Teku logo on hood, “TEKU” on windshield, blue cm6gy/ch-rim red tip axles, Mal. Acceleracers Starter Set (2005) 20 – 80
Synkro (c) c. mf green, black wing, chrome int., clear windows, white and black design w/Hot Wheels logo on sides, “8” on hood, cm6gy, Mal. Ultimate Track 3-pack (2005)
Synkro (c2) c2. mf green as c, cm6gy/ch-rim, Mal. Ultimate Track 3-pack (2005) 3 – NA
d. mf blue, orange wing, chrome int., orange windows, white, black and orange Dragon “1” on sides, Teku logo on hood, cm6cl/or-rim, Mal. Teku (2006) 10 – 15
d2. mf dk. blue, as d, cm6cl/or-rim, Mal. Teku (2006) 10 – 20
Synkro (e) e. satin lt. green, gray int. and wing, green windows, lw, Mal. Holiday Hot Rods (2006) 1 – 3
Synkro (f) f. chrome, black int. and wing, orange windows, orange and tan track design, on sides, pr5or, Th. Trick Tracks 5-pack (2008) 3 – NA
Synkro (g) g. red, metal base, chrome int., tinted windows, black wing, yellow black and white design w/”8” on hood and sides, os5bk/rd-rim, Mal. Track Stars #063 (2009)  1 – 2
h. clear purple, metal base, chrome int., clear windows, black wing, yellow, black, and white design w/”5” on hood and sides, j5, Mal. Video Game Heroes #239 (2011)  1 – 2
Synkro (i) i. clear red, metal base, chrome int., yellow windows, black wing, yellow, black, and white design w/”05” on hood and sides, pr5wh, Mal. Thrill Racers – City Stunt #199 (2012)  1 – 2
Synkro (j) j. clear blue, white metal base, gray int., clear windows, black wing, white, black, yellow and red Hot Wheels design on sides, clear blue y5bk, Th. Stunt Circuit 5-pack (2013) 2 – NA
Synkro (k) k. clear yellow, met blue metal base, chrome int., clear windows, black wing, black, white, blue, and red design and “46” on sides, y5, Th. Super Loop Chase Race 5-pack (2014) 2 – NA
Synkro (k2) k2. clear yellow, as k, y5bu, Th. Super Loop Chase Race 5-pack (2014) 2 – NA
Synkro (l) l. clear green, metal base, chrome int., purple windows, black, white, and silver stripe, “Synkro” and “6” on sides, os5bk/gy-rim, Mal. Track Builders 5- Pack (2016) 2 – NA
 m. blue, yellow metal base, gray int., tinted windows, yellow stripes and “The Minions” on sides, sp10yw, Th. The Minions #5 Kroger’s excl. (2017) 1 – 3
 n. mf orange, mf black metal base, chrome int., tinted windows, silver and black “Flash” on sides, mc5bk/or-rim, Indo. Justice League 5-pack (2017) 2 – NA
o. white, pearl pink metal base, orange int., blue windows, orange and blue design and “Create” on sides, pink sp10wh, Indo. HW Design Lab 5-pack (2021) 2 – NA
p. blue, yellow metal base, black int., tinted windows, black, white, and yellow stripes and “75” on sides, pr5, Th. Monster Trucks Monster Makers (2021) 5 – 10