Which is better for a 4-year-old?

The T-Rex Attack. It is ready to launch, the loops and dinosaur hold attention, and owners rate it highly for young kids. The Speed Heroes needs assembly first.

The Speed Heroes car has a metal body and fewer loose parts, so it should hold up better. The T-Rex set has more plastic pieces that can snap or scatter.

Is the T-Rex set worth stepping up to over a single car?

Yes, if your child wants active racing. You get a launcher, track and target in one box. Pick the single car only if space is tight or your child prefers building.

Do Hot Wheels cars work on the T-Rex track?

The listing says Hot Wheels compatible, but one buyer reported they do not fit. Use the included Metal Machines car to be safe.

Can the Speed Heroes car run on the T-Rex track?

Both are Zuru Metal Machines cars, so the Speed Heroes car should fit the launcher and track. Sizes vary by model, so test it before relying on it.

Which is easier to store?

The Speed Heroes. It is one small car. The T-Rex track is 2.6 m long and needs to be broken down or left out.

Zuru Metal Machines Speed Heroes vs Zuru Metal Machines T-Rex Attack

The T-Rex Attack set is the better buy for most kids. It is a complete play set with a launcher, 2.6 m of track, double 360 loops and a T-Rex target, and it rates 5 out of 5 from over 200 ratings. The Speed Heroes kit is a build-it-yourself metal-bodied car with stickers, so it suits a child who likes assembling and collecting rather than racing. Build quality is similar: both are plastic kits with a metal car body.

Choose the Metal Machines Speed Heroes if your child likes building and collecting cars more than racing them.
Choose the Metal Machines T-Rex Attack if you want a ready-to-run launcher set with loops and a target to knock down.

Prices

Zuru Metal Machines Speed Heroes: $16.99 at Amazon (last seen Nov 10)
Zuru Metal Machines T-Rex Attack: $16.99 at Busy Beez Toy Box (last seen Nov 10)
Difference: both cost the same at the latest prices (Nov 10)

What separates them

	Zuru Metal Machines Speed Heroes	Zuru Metal Machines T-Rex Attack
What you get	A build-your-own metal-bodied car plus stickers	A launcher, a car, 2.6 m of track with double 360 loops and a T-Rex
Assembly	Kit build required before play	Track and launcher set up, then play
Play pattern	Build, display and collect	Launch, loop and knock down the dinosaur
Age range	4 to 12 years	3 to 16 years on the box, 4+ per the store page
Footprint	Compact car, about 23 x 20 x 29 cm boxed	Long track layout needs floor space
Car compatibility	Own Metal Machines car only	Marketed as Hot Wheels compatible, but a buyer reported it is not
Owner feedback	Little review coverage	5 out of 5 from 202 ratings, praised as a gift and for motor skills

Specs compared

Spec	Zuru Metal Machines Speed Heroes	Zuru Metal Machines T-Rex Attack
Kit Type	Playset kit	Playset kit
Product Type	Toy	Metal Machines
Product Subtype	Race Car	Car, Toy car, Race Car
Product Vehicle Type	Car	Car
Product Category	Toy car	Playset
Recommended Min Age	4 years	3 years
Recommended Max Age	12 Years	16 years
Character Theme	Speed Hero	Speed Racer
Theme Type	Racing	Race cars
Vehicle Theme	Cars	Cars
Included Accessories	Stickers	Mini Racing Car, Powerful launcher
Material Type	Plastic	Plastic

Show all 40 specs

Spec	Zuru Metal Machines Speed Heroes	Zuru Metal Machines T-Rex Attack
Age Range	4+ years	3 to 7 Years
Typical Users	UNISEX	Children
Construction Material	Plastic	Plastic
Length	22.81 cm	7.11 cm
Height	29.49 cm	3 cm
Weight	0.6 kg	790 g
Width	19.99 cm	3.1 cm
Condition	New	—
Assembly Required	Yes (to build your very own Speed Hero)	—
Body Material

Zuru Metal Machines Speed Heroes vs Zuru Metal Machines T-Rex Attack

Prices

Zuru Metal Machines Speed Heroes vs Zuru Metal Machines T-Rex Attack

Prices

Zuru Metal Machines T-Rex Attack

What separates them

Price history

Prices at every store