Lego® Hidden Side 70420 Graveyard Mystery

Current best price

Market value (new, sealed) on 13 November 2026: £19.53 – 22% below RRP (£24.99).

LEGO 70420 is currently available from £32.68 incl. shipping at eBay. Only one retailer in our comparison stocks it.

Updated 12 November 2026 at 15:35

LEGO® Hidden Side Graveyard Mystery 70420 (1/7)
LEGO® Hidden Side Graveyard Mystery 70420 (1/7)
LEGO® Hidden Side Graveyard Mystery 70420 (2/7)
LEGO® Hidden Side Graveyard Mystery 70420 (3/7)
LEGO® Hidden Side Graveyard Mystery 70420 (4/7)
LEGO® Hidden Side Graveyard Mystery 70420 (5/7)
LEGO® Hidden Side Graveyard Mystery 70420 (6/7)
LEGO® Hidden Side Graveyard Mystery 70420 (7/7)

Lego 70420 price comparison: where is it cheapest?

Prices incl. shipping to the UK ·

Brickfact may earn a commission when you buy through a merchant link. Commissions do not determine the order of offers. How Brickfact compares prices

iFurther information
The Lego set Graveyard Mystery with the set number 70420 is part of the LEGO Hidden Side theme and is recommended for ages 7+. It was released in August 2019. It includes 4 minifigures. The model has 335 pieces, and we estimate it takes around < 1 hour to build. It was designed by Xiaodong Wen.219 Brickfact users have this set in their collection.
The box measures 13.9 x 7.5 x 2.3 in (35.4 x 19.1 x 5.9 cm). The recommended retail price is £24.99.
Our Brickfact Lego price comparison compares the prices of 1 shop for this set. It is currently cheapest at eBay for £32.68 including shipping. That is £0.10 per piece. Unfortunately, the set is currently not available below its recommended retail price.
The Part-Out-Value (POV) is the sum of the average prices paid on bricklink.com for all parts of this set. It is about £31.22.

Lego 70420 product data

Set Information

Set ID
70420
Pieces
335
Designer
Xiaodong Wen
Building Time
< 1 hour
Age Range
7+
Minifigures
4

Availability

Release
08/2019
Retiring Status
Retired (12/2020)

Price Information

RRP
£24.99
Insiders Points (for purchase at Lego)
200
Part Out Value
£31.22
i

Packaging

Packaging dimensions
13.9 x 7.5 x 2.3 in
EAN (GTIN13)
5702016365429

Popularity with Brickfact users

users have this set
219
buyers in the last 12 months
16

219 Brickfact users have Graveyard Mystery in their collection. 16 users bought it in the last 12 months. It ranks #2 among the most-collected Hidden Side sets on Brickfact.

Based on anonymized Brickfact user collections; shown only for sets with at least 10 users. As of 12 November 2026.

Lego 70420 price trend

Average sale price on secondary marketplaces – not the new price at retailers.

Current market value
£19.53
Growth vs. RRP
−21.9 % £24.99
Range
£18.26 – £19.53
Average
£18.62

Loading price history…

Lego 70420 price history: how has the price changed?

Brickfact has been recording retailer prices since 28/10/2026. Best price so far: £32.68 (16 days ago).

Current best price
£32.68 +31% vs. RRP
Best price since 28/10/2026
£32.68 +31% vs. RRP · 16 days ago

Daily lowest prices at the tracked shops, including shipping. Gaps indicate days with no recorded price. The table lists each shop’s lowest price.

Lowest price per retailer (since 28/10/2026)

RetailerCurrentLowest priceDate
eBay LogoeBay£32.68£32.6812/11/26

Lowest price per day that Brickfact recorded at the retailers in the price comparison, including shipping where known – as in the comparison above. Amazon offers are not included in the price history.

Minifigures from 70420 Graveyard Mystery

The Graveyard Mystery set includes 4 different minifigures, 1 of which are unique to this set. The combined value of the minifigures is £5.11, which is ~20% of the RRP of this set.
x1
Thumbnail of minifigure gen047
Skeleton with Standard Skull, Bent Arms Vertical Grip
Holiday & Event
time-logo
2013
#gen047
£1.04
i
27 sets
x1
Thumbnail of minifigure hs003
Parker L. Jackson
Hidden Side
time-logo
2019
#hs003
£1.16
2 sets
x1
Thumbnail of minifigure hs004
Jack Davids
Hidden Side
time-logo
2019
#hs004
£1.24
2 sets
x1
Thumbnail of minifigure hs006
Mr. Branson
Hidden Side
time-logo
2019
#hs006
£1.67
Unique

Official Set Description for LEGO 70420 Graveyard Mystery

Kids can experience fun ghost-catching adventures combining an augmented reality play experience with this LEGO® Hidden Side™ 70420 Graveyard Mystery playset. This awesome app toy combines a buildable LEGO model with augmented reality for kids to deliver a fully interactive play experience. Download the Hidden Side app and scan the model with a phone to make it come alive. With continuous updates, a unique boss ghost to battle in each set, new mysteries to solve, cool items to find, games to play and ghosts to collect, this LEGO Hidden Side set gives kids a whole new way to play and interact with building bricks! Packed with cool graveyard details, this toy construction set features a dog figure, gardener figure, girl and boy minifigures, a twistable statue, grave that opens and a haunted tree with posable arms for lots of fun ghost-hunting adventures.

  • Download the LEGO® Hidden Side™ app and point your phone at the Graveyard Mystery playset to make this building set for kids come alive and reveal the Hidden Side. Move the phone around to discover an ever-changing environment hidden around the model.
  • This augmented reality toy includes 4 minifigures: heroes Jack Davids and Parker L. Jackson, a skeleton figure and Mr. Branson, plus Davids's ghost dog figure, Spencer, to pretend play the ghost-catching play in this graveyard toy and in the AR app.
  • This Graveyard Mystery unique toy features a tombstone statue that twists, grave that open and a haunted toy tree with posable arms.
  • Set in the fictional town of Newbury, where ghosts haunt people and buildings, LEGO® Hidden Side™ playsets let kids play out exciting ghost-hunting adventures that combine physical LEGO models with fully-interactive augmented reality.
  • Build and play with the physical set and then bring it to life as you interact with the set while viewing it through the app.
  • Using the LEGO® Hidden Side™ app is like looking through a window to a cool and spooky Hidden Side filled with challenging mysteries to solve, ghosts to defeat and unique ghost bosses, like Mamali, to overcome in each set.
  • To get the full augmented reality experience, a tablet or mobile phone is required, but not included. Compatible with selected iOS and Android devices. Check compatibility at www.LEGO.com/devicecheck. Children should ask permission before going online.
  • Graveyard measures over 5” (14cm) high, 12” (32cm) wide and 3” (10cm) deep

Building Instruction for LEGO 70420 Graveyard Mystery

LEGO 70420 Frequently Asked Questions

How much does LEGO 70420 Graveyard Mystery cost?
On 12 November 2026, the lowest price in the Brickfact price comparison is £32.68 incl. shipping at eBay. The RRP is £24.99.
Where can I buy LEGO 70420 cheapest?
Only one retailer in the Brickfact price comparison currently stocks LEGO 70420: eBay (£32.68).
Is LEGO 70420 still available?
LEGO has retired 70420 Graveyard Mystery. New copies are still available at 1 retailers in our price comparison while stocks last.
When was LEGO 70420 cheapest?
Since tracking began on 28/10/2026, the lowest shop price recorded by Brickfact for LEGO 70420 was £32.68 on 28/10/2026 at eBay, including shipping. Amazon prices are not included.

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