Welcome to the Hidden Side

Welcome to the Hidden Side (70427-1) is a set in the Hidden Side theme, released in 2020. It has 175 pieces and 4 minifigures.

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Number:70427-1
Released:January 2020
Pieces:175
Box size:26.2 × 19.1 × 6.1 cm
Box weight:380 g
Theme:Hidden Side

Box size and weight as measured by Brickset.

In numbers

LEGO planned to retire this set in December 2020.

Product details

Number: 70427-1
Name: Welcome to the Hidden Side
Theme: Hidden Side
Released: January 2020
Launched: January 2020
Retired: November 2020 in the United States
Pieces: 175
Minifigures: 4
RRP: ≈ 17.79 USD (24.99 CAD) (Canada)≈ 21.90 USD (19.49 EUR) (Germany)≈ 23.17 USD (89.99 PLN) (PL)≈ 24.11 USD (17.99 GBP) (United Kingdom)19.99 USD (United States)
Price per piece: ≈ 0.102 USD (0.143 CAD) (Canada)≈ 0.125 USD (0.111 EUR) (Germany)≈ 0.132 USD (0.514 PLN) (PL)≈ 0.138 USD (0.103 GBP) (United Kingdom)0.114 USD (United States)

≈ marks a price converted into this currency at the ECB reference rate of its own date — a reference indication, not a tradeable rate. The price as observed follows in brackets.

BrickLink market data

We hold no current BrickLink prices for this set right now. BrickLink's own price guide is one click away.

View the price guide on BrickLink

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Pricing

Best price ever≈ 66.78 USD (60.00 EUR) Advertising Sealed · gross · idee+spiel · seen 10/29/2026 Not compared yet, no exchange rate: 37 in other currencies

Current best offerNo current offer we can compare.

Price history

There are not enough shop prices in this range to draw a chart yet.

≈ marks a price converted into this currency at the ECB reference rate of its own date — a reference indication, not a tradeable rate. The price as observed follows in brackets.

Price statistics by condition

Nobody has sold this set recently.

Sources Data in Brief: 37 · idee+spiel: 36

Latest price from each shop

Sorted: lowest price first

Countries (all)

Show prices for

Germany (DE)

Poland (PL)

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What each source tells us:

Shops: the country they are in, and a delivery within it. None says whether it delivers abroad.
LEGO's own shops: one storefront per country, each delivering within its country.
Hugendubel: in Germany, delivering to Germany and to Austria.
eBay: the country the item is in, and a delivery within the country of the eBay site it is listed on.
BrickLink: averages over sellers worldwide - no seller's country and no delivery.

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idee+spiel Sealed · gross · seen 11/9/2026

≈ 66.99 USD (60.00 EUR)

Go to shop

Data in Brief Sealed · gross · sold 5/1/2023

148.99 PLN

Go to shop

Amazon.com BrickDb shows no Amazon prices. The link opens a search for this set on Amazon's own site.

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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.

We have not seen a current eBay listing for this set.

Recommended retail price

What LEGO published as the recommended retail price, market by market, in that market's own currency. No market's price is ever derived from another's.

Canada ≈ 17.79 USD (24.99 CAD) unknown tax basis Available 1/2/2020 to 11/24/2020.Recorded by BrickDb since 10/2/2026

Germany ≈ 21.90 USD (19.49 EUR) gross Available 12/26/2019 to 11/28/2020.Recorded by BrickDb since 10/2/2026

PL ≈ 23.17 USD (89.99 PLN) gross No availability dates published.Recorded by BrickDb since 10/21/2026

United Kingdom ≈ 24.11 USD (17.99 GBP) gross Available 12/26/2019 to 11/28/2020.Recorded by BrickDb since 10/2/2026

United States 19.99 USD net Available 1/2/2020 to 11/24/2020.Recorded by BrickDb since 10/2/2026

≈ marks a price converted into this currency at the ECB reference rate of its own date — a reference indication, not a tradeable rate. The price as observed follows in brackets.

Building instructions

All building instructions for this set on LEGO.com

Parts in this set

98 inventory lines

Catalogue image of the part Lamp Post 2 x 2 x 7 with 4 Base Flutes

Lamp Post 2 x 2 x 7 with 4 Base Flutes 11062· Black

×1

Catalogue image of the part Bar Holder with Clip

Bar Holder with Clip 11090· Black

×4

Catalogue image of the part Brick Arch 1 x 5 x 4 [Continuous Bow, Raised Underside Cross Supports]

Brick Arch 1 x 5 x 4 [Continuous Bow, Raised Underside Cross Supports] 14395· Black

×3

Catalogue image of the part Panel 1 x 4 x 2 with Side Supports - Hollow Studs

Panel 1 x 4 x 2 with Side Supports - Hollow Studs 14718· Light Bluish Gray

×2

Catalogue image of the part Tile Round 2 x 2 with Bottom Stud Holder

Tile Round 2 x 2 with Bottom Stud Holder 14769· Black

×2

Tile Round 2 x 2 with Bottom Stud Holder 14769· Dark Bluish Gray

×1

Catalogue image of the part Brick Curved 2 x 2 x 2/3

Brick Curved 2 x 2 x 2/3 15068· Light Bluish Gray

×2

Catalogue image of the part Panel 1 x 4 x 1 with Rounded Corners [Thin Wall]

Panel 1 x 4 x 1 with Rounded Corners [Thin Wall] 15207· Dark Bluish Gray

×1

Catalogue image of the part Plate Special 1 x 2 with Three Teeth [Tri-Tooth]

Plate Special 1 x 2 with Three Teeth [Tri-Tooth] 15208· Yellowish Green

×1

Catalogue image of the part Tile Special 1 x 2 with Two Vertical Teeth / Tooth

Tile Special 1 x 2 with Two Vertical Teeth / Tooth 15209· Yellowish Green

×2

Catalogue image of the part Brick Arch 1 x 6 x 2 - Thin Top without Reinforced Underside [New Version]

Brick Arch 1 x 6 x 2 - Thin Top without Reinforced Underside [New Version] 15254· Dark Bluish Gray

×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· Dark Bluish Gray

×1

Catalogue image of the part Wedge Plate 4 Stud 45° Angle Plate

Wedge Plate 4 Stud 45° Angle Plate 15706· Medium Azure

×2

Catalogue image of the part Tile Special 1 x 1 with Clip with Rounded Edges

Tile Special 1 x 1 with Clip with Rounded Edges 15712· Black

×3

Catalogue image of the part Creature Body Part, Barb Large (Claw, Talon) with Clip

Creature Body Part, Barb Large (Claw, Talon) with Clip 16770· Black

×2

Catalogue image of the part Brick Curved 1 x 3 x 2 Inverted [Inside Bow]

Brick Curved 1 x 3 x 2 Inverted [Inside Bow] 18653· Black

×3

4 minifigures

Minifigures in this set

Catalogue image of the minifigure Axel Chops (28621 Head)

Same theme, piece count within 15 %

Similar sets

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Hidden Side2019Pieces: 162 Minifigures: 3

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/ 70428-1 /

Hidden Side2020Pieces: 157 Minifigures: 3

Welcome to the Hidden Side

In numbers

Product details

BrickLink market data

Can I build this?

Pricing

Price history

Latest price from each shop

On eBay

Recommended retail price

Building instructions

Parts in this set

Minifigures in this set

Axel Chops (28621 Head)

Jack Davids, Light Aqua Hoodie with Hood and Dark Azure Cap

Scrimper (28621 Head)

Waylon (28621 Head)

Similar sets

J.B's Ghost Lab

Jack's Beach Buggy