---
title: "Brick-Built Mosasaurus Boat Mission"
setNumber: "76974"
year: 2025
pieces: 858
priceUSD: 59.99
availability: "available"
ageRange: "9+"
ean: "5702017824826"
upc: "673419407618"
rating: 4.75
ratingCount: 23
completeness: "good"
verified: "2026-09-13T03:00:43.193Z"
url: "https://lpd.conde.sh/product/76974"
image: "https://www.lego.com/cdn/cs/set/assets/bltdf96921ec24813e3/76974_Prod_en-gb.png"
source: "LPD — collated from Rebrickable, lego.com and Brickset with per-field provenance"
---

# Brick-Built Mosasaurus Boat Mission (76974)

> The LEGO® Brick-Built Mosasaurus Boat Mission (set 76974) — 858 pieces, released 2025. $59.99 on lego.com, rated 4.2/5 across 2 sources.

The LEGO Brick-Built Mosasaurus Boat Mission (set number 76974) is a LEGO set, 858 pieces, released in 2025. It is currently available on lego.com at $59.99. Across 2 sources it holds a 4.2/5 rating from 23 ratings, as of 2026-09-13. Built, it measures 42 x 20 x 6 cm (16½" x 7⅞" x 2⅜"). It is recommended for ages 9+. This data is collated from lego.com, Rebrickable and Brickset with per-field provenance, verified as of 2026-09-13.

## Questions & answers

**How many pieces is the LEGO Brick-Built Mosasaurus Boat Mission (76974)?**

the LEGO Brick-Built Mosasaurus Boat Mission (76974) has 858 pieces.

**Is the LEGO Brick-Built Mosasaurus Boat Mission (76974) available, and how much does it cost?**

the LEGO Brick-Built Mosasaurus Boat Mission (76974) is currently available on lego.com at $59.99.

**How is the LEGO Brick-Built Mosasaurus Boat Mission (76974) rated?**

the LEGO Brick-Built Mosasaurus Boat Mission (76974) holds a 4.2/5 rating across 2 sources (23 ratings, as of 2026-09-13): lego.com 4.75/5, brickset 4.2/5.

**How big is the LEGO Brick-Built Mosasaurus Boat Mission (76974)?**

Built, the LEGO Brick-Built Mosasaurus Boat Mission (76974) measures 42 x 20 x 6 cm (16½" x 7⅞" x 2⅜").

**What age is the LEGO Brick-Built Mosasaurus Boat Mission (76974) recommended for?**

the LEGO Brick-Built Mosasaurus Boat Mission (76974) is recommended for ages 9+.

## Overview

- **Pieces:** 858
- **Recommended age:** 9+
- **Released:** 2025
- **Data completeness:** good

## Pricing & availability

- **Current price:** $59.99 USD (lego.com)
- **Availability:** available
- **RRP:** $59.99 / £54.99 / €59.99

## Specifications

| Field | Value | Source |
| --- | --- | --- |
| Pieces | 858 | lego |
| Age range | 9+ | lego |
| Dimensions | 42 x 20 x 6 cm (16½" x 7⅞" x 2⅜") | brickset |
| EAN | 5702017824826 | brickset |
| UPC | 673419407618 | brickset |
| Released | 2025 | brickset |

## Reviews

- **Rating:** 4.2/5 across 2 sites (23 ratings, as of 2026-09-13, low confidence)
  - lego.com: 4.75/5 (0, 2026-09-13)
  - brickset: 4.2/5 (23, 2026-09-13)

## Data provenance

Each field and the source it was collated from:

- **rebrickable:** theme, minifigs, inventory
- **lego:** name, imageUrl, pieces, ageRange, price, availability, rating
- **brickset:** year, rating, msrp, ean, upc, dimensions

## Links

- [LEGO.com product page](https://www.lego.com/en-us/product/brick-built-mosasaurus-boat-mission-76974)
- [Building instructions](https://www.lego.com/en-us/service/building-instructions/76974)
- [rebrickable](https://rebrickable.com/sets/76974-1/)
- [brickset](https://brickset.com/sets/76974-1)
- [bricklink](https://www.bricklink.com/v2/catalog/catalogitem.page?S=76974-1)