Beginner
≈ 52 minSuggested range31 min – 1 h 24 min
Official LEGO® image · © LEGO Group and/or the respective rights holders. Source: LEGO Italy ↗
Jurassic World · SET 77978
Young T. rex Transport Truck
A red-and-black truck transports a young T. rex in a small Jurassic World scene.
- Pieces
- 115
- Release year
- 2026
- Theme
- Jurassic World
- Set number
- 77978
- LEGO recommended age
- 4+
- LEGO retail price · Italy
- 29.99 €
Retail price reported by the LEGO source for the stated market. Check the store for current price and availability; this does not establish the launch price. LEGO ↗ · Reference checked on 26 October 2026
Official English name verified at: LEGO English catalogue ↗ · Checked on 26 October 2026.
TIME TO BUILD
How long does it take to build Young T. rex Transport Truck?
A starting point for planning your build. Times for each experience level are editorial estimates, not measurements submitted by HowLongToBuild users.
Editorial estimate · first build
Intermediate
≈ 35 minSuggested range21 min – 56 minExperienced
≈ 24 minSuggested range14 min – 39 minBased on one person building the set for the first time, following the original instructions and using numbered bags where supplied. Includes normal piece-finding and minor adjustments; excludes long breaks, filming, dismantling and modifications. Sources may use different methods. This range is neither a statistical interval nor a limit: your build may take less or more time.
How we estimate times · sources and method
Editorial assessment of the first illustrated arrangement: A red-and-black truck transports a young T. rex in a small Jurassic World scene. The set is rated for ages four and up; timing includes vehicle and accessories, with adult help if needed. A first build following the instructions, including normal piece finding; an adult may help when needed. Breaks and subsequent play are excluded. No verified timed build: indicative values with substantial variation.
Sources do not always specify the builder’s experience. The three experience bands are our editorial assessment, based on the complexity of the set and individual accounts where available.
- LEGO · set-specific instructions ↗
Official name, pieces, age and imagery; no timed building data.
- LEGO · set manual ↗
Document for this set number. The duration is an editorial estimate, not a LEGO timing.
Checked: 26 October 2026 · Method v1.0 · Limited reports; not a statistical average.
BUILT BY THE COMMUNITY
Yours could be the first building time.
0 reviewed solo building times.
No solo building times have been reviewed yet. You can still find editorial estimates under Suggested times.
Log your buildBuild your own story.
Save this set to your collection, track your progress and share your building time.
Create a free account →BEYOND THE BRICKS
Did you know?
Inside the set
A large transporter
Tall wheels and rear space define the vehicle.
LEGO sourceEarly builds
The set is rated for ages four and up; timing includes vehicle and accessories, with adult help if needed.
LEGO sourceBeyond the set
The stories, places and inventions behind your build.
Two fingers, not three
Tyrannosaurus had just two fingers on each hand. Its short-arm anatomy distinguishes it from many other carnivorous dinosaurs.
American Museum of Natural HistoryA discovery in 1902
In 1902, Barnum Brown found the first Tyrannosaurus rex fossil discovered for the American Museum of Natural History. The skeletons on display today have a long research history behind them.
American Museum of Natural HistoryWritten by HowLongToBuild · Sources are linked with each story · Checked on 26 October 2026. Historical facts and story details refer to the context described.
BEYOND THE BRICKS
Keep the story going
Films, series, books and music connected to this model or its universe.
Jurassic World
Another adventure in the same universe, for before or after your build.
Title search on JustWatch: choose the result matching the title and year above.Streaming: Italian catalogue. Check availability, languages and terms on the external service. Searches are labelled; book results may include different editions.
Suggest a work or report a wrong connection →THE COMMUNITY’S EXPERIENCE
What was it like to build?
Three separate scores from 1 to 10. For difficulty, 1 means very easy and 10 means very difficult.
No approved ratings yet. Scores are never generated by this site or inferred from the recommended age.
Sign in or create an account to rate this set →Building tips from the community
Specific steps, useful checks and sticking points. Contributions appear after moderation, in their original language. Do not upload instruction pages or personal contact details.
No approved tips yet.
Sign in to contributeSET THE MOOD
A soundtrack for your build
· Selected for the building rhythm
Spare piano and small electronic spaces leave room for invention. They suit a landscape assembled without rushing, even when the model is not from Minecraft.
OUR PICK
Minecraft – Volume Alpha
C418
Piano and worlds to inventEditorial suggestions, not official soundtracks for the set. External services may require an account or subscription; editions and availability can vary by country. Suggest another soundtrack →
Report a problem with this set →
YOUR NEXT BUILD
You might also like
Sets from the same theme or with similar suggested building times. The ranges shown are for intermediate builders.
Official LEGO® image · © LEGO Group and/or the respective rights holders. Source: LEGO Italy ↗
Velociraptor: Biplane Rescue Mission
101 pieces · 4+
21 min – 56 min
Suggested time · Intermediate
Same theme, a new build
Official LEGO® image · © LEGO Group and/or the respective rights holders. Source: LEGO Italy ↗
T. rex River Escape
199 pieces · 5+
21 min – 56 min
Suggested time · Intermediate
Same theme, a new build
Official LEGO® image · © LEGO Group and/or the respective rights holders. Source: LEGO Italy ↗
Stygimoloch Dinosaur Escape
129 pieces · 4+
24 min – 1 h 4 min
Suggested time · Intermediate
Same theme, a new build