Mermaid Roller Coaster Ride

LEGO^® Friends 42703 Mermaid Roller Coaster Ride

Name: LEGO® Friends Mermaid Roller Coaster Ride 42703
Brand: LEGO
SKU: 42703
Availability: InStock

Current best price

LEGO 42703 is currently available from $109.95 incl. shipping at Amazon.com. 3 retailers compared.

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Updated October 19, 2026 at 12:01 AM EDT

LEGO® Friends Mermaid Roller Coaster Ride 42703 (1/14)

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LEGO 42703 price comparison: where is it cheapest?

Prices incl. shipping to the US · Prices updated October 19, 2026 at 12:01 AM EDT

iFurther information

The Lego set Mermaid Roller Coaster Ride with the set number 42703 is part of the LEGO Friends theme and is recommended for ages 8+. It was released in June 2026. It includes 5 minifigures. The model has 864 pieces, and we estimate it takes around 2 hours to build.

The set weighs about 1.554 kg. The box measures 54 x 28.2 x 7.9 cm. The recommended retail price is $109.99.

Our Brickfact Lego price comparison compares the prices of 3 shops for this set. It is currently cheapest at Amazon.com for $109.95 including shipping. That is $0.13 per piece. With this offer you save $0.04 off the recommended retail price, a discount of 0%.

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 $240.65. You save around $130.70 if you buy the complete set at Amazon.com instead of the individual parts on bricklink.com. The current best offer therefore has a POV rate of 2.19: the Part-Out-Value divided by the current best price on Brickfact.

Lego 42703 product data

Set Information

Set ID

42703

Theme

Friends

Pieces

864

Building Time

2 hours

Age Range

Availability

Release

06/2026

Retiring Status

Begin of Life (12/2027)

Price Information

RRP

$109.99

Insiders Points (for purchase at Lego)

715

Part Out Value

$240.65

Packaging

Weight

1.554 kg

EAN (GTIN13)

5702018060605

LEGO 42703 price history: how has the price changed?

Brickfact has been recording retailer prices since 10/12/2026. Best price so far: $109.95 (7 days ago).

Current best price: $109.95
Best price since 10/12/2026: $109.95 7 days ago

Lowest price per retailer (since 10/12/2026)

Since 10/12/2026, Walmart.com was the cheapest on 8 of 8 recorded days.

Retailer	Current	Lowest price	Date
Walmart.com	$109.95	$109.95	10/19/26
Bestbuy.com	$109.99	$109.99	10/19/26

As of: 10/19/2026, 03:01 UTC

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.

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LEGO 42703 market value

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

Current market value: $77.42
Market value vs. RRP: −29.6 % $109.99
Range: $76.42 – $92.61
Average: $81.69

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Building Instruction for LEGO 42703 Mermaid Roller Coaster Ride

Part Lists for LEGO 42703 Mermaid Roller Coaster Ride

Part list on Bricklink.com

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Part list on Rebrickable.com

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Part list on Brickset.com

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LEGO 42703 Frequently Asked Questions

How much does LEGO 42703 Mermaid Roller Coaster Ride cost?

The lowest price in the Brickfact price comparison is currently $109.95 incl. shipping at Amazon.com. The RRP is $109.99.

Where can I buy LEGO 42703 cheapest?

Brickfact compares 3 retailers. The cheapest offers: Amazon.com ($109.95), Walmart.com ($109.95), Bestbuy.com ($109.99).

Is LEGO 42703 still available?

Yes. LEGO 42703 Mermaid Roller Coaster Ride is currently available at 3 retailers in our price comparison.

When was LEGO 42703 cheapest?

Since tracking began on 10/12/2026, the lowest shop price recorded by Brickfact for LEGO 42703 was $109.95 on 10/12/2026 at Walmart.com, including shipping. Amazon prices are not included.