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LEGO Mosasaurus Dinosaur Boat Attack (77983)

Jurassic World · 703 pieces · 3 minifigures

From £67.99 at John Lewis · 24% off

Not retiring yet (on sale since 2026)

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

Regular price £89.99

See it at John Lewis, £67.99

Buy now: £22.00 cheaper at John Lewis than on LEGO.com UK today.

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

Similar sets with bigger discounts

Price history

Lowest price today
£67.99
at John Lewis
Lowest we’ve recorded
£67.49
Amazon.co.uk, 15 Oct 2026
LEGO’s regular price
£89.99
today’s lowest is 24% off
Tracked since
8 Oct 2026
7 price changes since
Price records (15)
  • 22 October 2026 · Very£75.99
  • 21 October 2026 · Argos£76.00
  • 20 October 2026 · Kidinn£83.99
  • 17 October 2026 · John Lewis£67.99
  • 16 October 2026 · Kidinn£84.49
  • 16 October 2026 · Smyths Toys£67.99
  • 15 October 2026 · Amazon.co.uk£67.49
  • 13 October 2026 · Kidinn£84.99
  • 10 October 2026 · Amazon.co.uk£76.09
  • 10 October 2026 · Argos£90.00
  • 10 October 2026 · Smyths Toys£77.99
  • 9 October 2026 · John Lewis£77.99
  • 8 October 2026 · The Entertainerout of stock£90.00
  • 8 October 2026 · John Lewis£75.99
  • 8 October 2026 · LEGO.com UK£89.99

Prices at LEGO.com UK, Amazon.co.uk, Argos, Smyths Toys, Very, John Lewis, The Entertainer and Kidinn, 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 GBP
Show all 13 countries

Exchange rates of 22 October 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

£53.95

Median of 1 sale (worldwide)

-40% vs LEGO’s regular price (£89.99)

Used

No sales in the last 6 months.

Sales on BrickLink, updated daily (last update 23 October 2026). Sold in US dollars, shown in British Pound at the ECB rate of 22 October 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
9.7pat today’s lowest price
LEGO.com rating
5
LEGO Insiders points
720

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 UK 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 £67.99 at John Lewis, out of 6 stores selling it today (regular price £89.99). Prices change often: this page is updated every day.

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

24% off at John Lewis. The best price today is £67.99 at John Lewis, 24% below LEGO’s regular price.

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 9.7p 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 £53.95 on BrickLink (median of 1 sale in the last 6 months, worldwide). LEGO’s regular price is £89.99.

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