LEGO Guinea Pig Playground 42640-1
LEGO Guinea Pig Playground (42640-1) is worth about $15 on the secondary market today, against a $10 retail price. It has 86 pieces, belongs to the Friends theme and was released in 2025. This set has retired — LEGO no longer produces it, so supply is fixed and prices are set entirely by the resale market.
A LEGO® building set to inspire imaginative play
- Set number
- 42640-1
- Theme
- Friends
- Subtheme
- Pets
- Year
- 2025
- Pieces
- 86
- Minifigures
- 2
- RRP
- $10
- Market value
- $15
- Released
- 2025
- Retirement
- Retired in 2025
Minifigures in LEGO Guinea Pig Playground
Guinea Pig Playground value by year
From $9 in 2022 to $15 in 2026 so far: +66%. Its highest year was 2026, at $15.
| Year | Value | Change |
|---|---|---|
| 2026 (so far) | $15 | +28.1% |
| 2025 | $12 | +29.5% |
| 2024 | $9 | +0.0% |
| 2023 | $9 | +0.0% |
| 2022 | $9 | — |
Median of each year's market prices, sealed, in US dollars.
What you are paying for
Its 2 priced minifigures are worth about $4 together, roughly 28% of the set's value — high for Friends sets, so most of what you pay for is the figures (typically 16%).
Frequently asked questions
How much is LEGO Guinea Pig Playground (42640-1) worth?
LEGO Guinea Pig Playground is worth approximately $15 on the secondary market today, based on current listings and completed sales. BrickStats updates this value daily.
Is LEGO Guinea Pig Playground retired?
Yes — Guinea Pig Playground (42640-1) has been retired by LEGO and is no longer in production. Retired sets have fixed supply, which is why their prices are driven purely by the resale market.
Has LEGO Guinea Pig Playground gone up in value?
Yes. Guinea Pig Playground launched at $10 and now trades around $15, an increase of 50.1%. See the price history chart for how it got there.
What is the price per piece for Guinea Pig Playground?
At its $10 retail price across 86 pieces, Guinea Pig Playground works out to about $0.116 per piece. Collectors often use price per piece to judge whether a set is good value.
Is LEGO Guinea Pig Playground a good investment?
Guinea Pig Playground currently trades 50.1% above its $10 retail price, and it is retired, so no new supply is entering the market. Past performance is not a prediction — condition, packaging and how long you hold all affect what a set actually sells for. BrickStats reports the numbers rather than giving investment advice.
Why is LEGO Guinea Pig Playground so expensive?
Guinea Pig Playground was released in 2025 and has since retired. Once LEGO stops producing a set, the only supply is what is already in circulation, so sealed copies in good condition compete for a shrinking pool of stock. That scarcity, not the parts, is what moves the price.