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LEGO Mosasaurus Dinosaur Boat Attack (77983)

Jurassic World · 703 pieces · 3 minifigures

From $99.95 at Amazon

Not retiring yet (on sale since 2026)

LEGO Mosasaurus Dinosaur Boat Attack (77983)
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Compare prices (US)

Regular price $99.99

See it at Amazon, $99.95

Wait: Black Friday is 36 days away.

. Amazon offers can be third-party (marked).

On sale now at a similar price

Price history

Lowest price today
$99.95
at Amazon
Lowest we’ve recorded
$99.94
Amazon, Oct 8, 2026
LEGO’s regular price
$99.99
Tracked since
Sep 29, 2026
15 price changes since
Price records (20)
  • October 22, 2026 · Amazon$99.95
  • October 22, 2026 · Amazon$99.94
  • October 21, 2026 · Amazon$99.95
  • October 21, 2026 · Amazon$99.94
  • October 20, 2026 · Amazon$99.95
  • October 18, 2026 · Amazon$99.94
  • October 18, 2026 · Amazon$99.95
  • October 16, 2026 · Amazon$99.94
  • October 15, 2026 · Amazon$99.95
  • October 14, 2026 · Amazon$99.94
  • October 13, 2026 · Amazon$99.95
  • October 13, 2026 · Amazon$99.94
  • October 11, 2026 · Best Buy$99.99
  • October 11, 2026 · Barnes & Noble$99.99
  • October 9, 2026 · Amazon$99.95
  • October 8, 2026 · Amazon$99.94
  • October 6, 2026 · Amazon$99.99
  • October 3, 2026 · Amazon$99.95
  • September 29, 2026 · Target$99.99
  • September 29, 2026 · LEGO.com$99.99

Prices at LEGO.com, Amazon, Walmart, Target, Best Buy, and Barnes & Noble, checked daily. A line breaks when a store was out of stock or not selling the set.

LEGO Mosasaurus Dinosaur Boat Attack in other countries

The lowest price today in each country where LEGO sells it, converted at the European Central Bank’s rate. Delivery across borders isn’t included: most stores only ship inside their own country.

CountryLowest priceIn USD
Show all 13 countries

Exchange rates of October 22, 2026.

Resale value

What the LEGO Mosasaurus Dinosaur Boat Attack actually sold for on BrickLink, the LEGO-owned marketplace, in the last 6 months.

New

$72.16

Median of 1 sale (worldwide)

-28% vs LEGO’s regular price ($99.99)

Used

No sales in the last 6 months.

Sales on BrickLink, updated daily (last update October 23, 2026). Few sales mean a less reliable figure.

Set details

Pieces
703
Minifigures
3
Ages
7+
Released
2026
Set number
77983
Theme
Jurassic World
Price per piece
14.2¢at today’s lowest price
LEGO.com rating
5
LEGO Insiders points
650

LEGO Mosasaurus Dinosaur Boat Attack building instructions

Official instructions from LEGO.com, free to download. The LEGO Builder app has them too, many with 3D steps. All instructions on LEGO.com

LEGO Mosasaurus Dinosaur Boat Attack parts list

691 pieces in 237 different parts and colors, plus 3 minifigures.

Minifigures

  • Dr. Henry Loomis
  • Duncan Kincaid, Dark Geren Beret
  • Zora Bennett, Hat
  • Plate Round 1 x 1 with Solid Stud, Trans-Clear×186141
  • Plate Special 1 x 2 Rounded with 2 Open Studs, Black×1635480
  • Plate 1 x 2, Black×133023
  • Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening), Light Bluish Gray×134032a
  • Tile Special 1 x 1 with Clip with Rounded Edges, Dark Bluish Gray×1215712
  • Plate 1 x 2, Dark Bluish Gray×113023

Parts list: Rebrickable.

About the LEGO Mosasaurus Dinosaur Boat Attack

The race is on! Unlimited adventures await in this Mosasaurus Dinosaur Boat Attack (77983) LEGO® Jurassic World set. Dinosaur toy fans ages 7 years old and up can dive into the action, inspired by the Jurassic World Rebirth movie. Kids can build and use the molded Mosasaurus, with an opening jaw, movable flippers and tail, to attack the drone, helicopter or the cargo boat toy with crane and tilting platform. The set also includes 3 minifigures: Dr. Henry Loomis, Zora Bennett and Duncan Kincaid,and several accessories to bring thrilling survival stories to life, including a flare gun, harpoon, drone controller and more. This dinosaur gift idea is great for sparking creative play and can be added to other Jurassic World LEGO sets, all sold separately, to expand a child’s collection. Plus, boys and girls can build with confidence using the LEGO Builder app – zoom, rotate in 3D and track progress with easy-to-follow digital instructions. Set contains 703 pieces.
  • DINOSAUR TOY FOR KIDS – This Mosasaurus Dinosaur Boat Attack (77983) set lets boys and girls build an action-packed set inspired by the Jurassic World Rebirth movie
  • SAVE THE CATAMARAN – Kids can use the Mosasaurus sea creature to chase and attack the catamaran, or use the helicopter, underwater drone, harpoon and other accessories to try and defend the boat
  • MOVIE CHARACTERS – Young fans can recreate scenes from the movie or imagine new stories with 3 minifigures, Zora Bennett, Dr. Henry Loomis and Duncan Kincaid, and a molded Mosasaurus toy
  • ACTION AND EXPLORATION – Explore the depths by tilting the boat’s platform and using the crane to lower the drone and search the land using the helicopter
  • DINOSAUR GIFT IDEA – This set makes a great birthday or holiday gift idea for boys or girls ages 7 years old and up who love sea creatures and imaginative play
  • EXPAND THE FUN – Discover more LEGO® Jurassic World building toys, sold separately, to foster a kid’s love of dinosaurs, helping them grow their creativity and develop storytelling skills
  • A HELPING HAND – Discover digital instructions in the LEGO® Builder app, where kids can zoom in and rotate models using 3D instructions, track progress and save sets as they develop new skills
  • DIMENSIONS – This 703-piece set includes a catamaran cargo boat toy with crane that measures over 5 in. (13 cm) high, 9 in. (23 cm) long and 5 in. (12 cm) wide

Description: LEGO.com.

LEGO Mosasaurus Dinosaur Boat Attack: FAQ

Is the LEGO Mosasaurus Dinosaur Boat Attack retiring?

Not yet: the LEGO Mosasaurus Dinosaur Boat Attack isn’t flagged as retiring. LEGO.com doesn’t list it as “Retiring soon”. We check every day and will update this page the day that changes.

How much is the LEGO Mosasaurus Dinosaur Boat Attack?

The lowest price we found today is $99.95 at Amazon, out of 5 stores selling it today (regular price $99.99). Prices change often: this page is updated every day.

Should I buy the LEGO Mosasaurus Dinosaur Boat Attack now or wait?

Full price today: wait for a deal. The best price today is $99.95 at Amazon, just under LEGO’s regular price of $99.99. Black Friday is 36 days away.

Where can I find the instructions for the LEGO Mosasaurus Dinosaur Boat Attack?

LEGO publishes them for free on LEGO.com as 2 PDF booklets, linked on this page, and in the LEGO Builder app.

How many pieces are in the LEGO Mosasaurus Dinosaur Boat Attack (77983)?

703 pieces and 3 minifigures. At today’s price, that’s 14.2¢ per piece.

When was the LEGO Mosasaurus Dinosaur Boat Attack released?

It was released in 2026.

What is the LEGO Mosasaurus Dinosaur Boat Attack worth?

New, it sold for $72.16 on BrickLink (median of 1 sale in the last 6 months, worldwide). LEGO’s regular price is $99.99.

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