Build Valentine's Day Fun

Name: Build Valentine's Day Fun
SKU: 5009388-1

Catalogue image of Build Valentine's Day Fun

Build Valentine's Day Fun (5009388-1) is a set in the Activity Books with LEGO Parts theme, released in 2021. It has 52 pieces.

Best offer right now

LEGO® Shop (US)

9.99 USD

net · seen 11/6/2026

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Number:5009388-1
Released:2021
Pieces:52
Theme:Activity Books with LEGO Parts

In numbers

Over the last 30 days the lowest shop price recorded for this set was 9.99 USD, taken from 30 days with a price on record.

Product details

Number: 5009388-1
Name: Build Valentine's Day Fun
Theme: Books › Activity Books with LEGO Parts
Released: 2021
Pieces: 52
Best price (30 days): 9.99 USD
Price per piece (best offer): 0.192 USD

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Description from LEGO.com

Spark Valentine's Day fun with a cool LEGO® activity book

Read the full description

Let kids unleash their creativity with this adorable LEGO® Build Valentine’s Day Fun! activity book for girls and boys. It’s filled with over 70 stickers and everything kids need to build an exclusive rebuildable LEGO model. They can choose to create a dog, a teddy bear or a heart – and then rebuild it! Once the building fun is done, kids can tackle mazes, puzzles and other exciting activities. With 48 pages that spark hours of fun, it’s the perfect Valentine’s Day gift for kids.

Source: LEGO Shop Advertising

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Pricing

Best price ever9.99 USD Advertising Sealed · net · LEGO® Shop (US) · seen 9/26/2026

Current best offer9.99 USD Advertising Sealed · net · LEGO® Shop (US) · seen 11/6/2026

Price history

Lowest shop price now9.99 USD
Lowest ever 9.99 USD

Each day's lowest price among the shops' current offers, excluding VAT and sales tax, as these shops state their prices. A price in another currency is converted at the ECB reference rate of its day.

Monthly lows as a table

Month	Lowest price
November 2026	9.99 USD
October 2026	9.99 USD
September 2026	9.99 USD

Price statistics by condition

Nobody has sold this set recently.

Sources LEGO® Shop (US): 42

Latest price from each shop

Sorted: lowest price first Show highest first

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LEGO® Shop (US) Sealed · net · seen 11/6/2026

9.99 USD

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Where these prices come from

On eBay

The cheapest eBay listings we saw in the last seven days. They are sellers' asking prices, so they are not in the shop price list or the best offer.

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Building instructions

All building instructions for this set on LEGO.com

Parts in this set

30 inventory lines

Catalogue image of the part Brick Special 1 x 2 with 2 Studs on 1 Side

Brick Special 1 x 2 with 2 Studs on 1 Side 11211· Red

×1

Brick Special 1 x 2 with 2 Studs on 1 Side 11211· Tan

×2

Catalogue image of the part Brick Curved 2 x 1 No Studs [1/2 Bow]

Brick Curved 2 x 1 No Studs [1/2 Bow] 11477· Reddish Brown

×2

Catalogue image of the part Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper)

Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) 15573· Reddish Brown

×1

Catalogue image of the part Plate Special 1 x 2 with Handles on Ends

Plate Special 1 x 2 with Handles on Ends 18649· Black

×1

Catalogue image of the part Plate Special Round 2 x 2 with Center Stud (Jumper Plate)

Plate Special Round 2 x 2 with Center Stud (Jumper Plate) 18674· Reddish Brown

×1

Brick 1 x 1 3005· Red

×2

Brick 1 x 1 3005· Medium Nougat

×2

Plate 1 x 2 3023· Red

×1

Plate 1 x 2 3023· Medium Nougat

×1

Plate 1 x 1 3024· Tan

×1

Catalogue image of the part Plate Special 1 x 3 with 2 Studs with Groove and Inside Stud Holder (Jumper)

Plate Special 1 x 3 with 2 Studs with Groove and Inside Stud Holder (Jumper) 34103· Tan

×1

Catalogue image of the part Brick Sloped Inverted 45° 2 x 1

Brick Sloped Inverted 45° 2 x 1 3665· Red

×2

Brick Sloped Inverted 45° 2 x 1 3665· Reddish Brown

×2

Plate 1 x 4 3710· Green

×1

Plate 1 x 4 3710· Red

×1

Same theme, piece count within 15 %

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