LEGO 21342 Insects is a Ideas set valued at $72 for new and sealed sets, down 10% from an original retail price of $79.99. The set retired in March 2026. Used copies are valued between $60 and $68 depending on condition. Secondary market prices for new and sealed sets typically fall between $65 and $80.

Set Value (New/Sealed)

This chart represents the current new/sealed value of the set Insects since March 2026. Medium accuracy
LEGO 21342 Insects is an Ideas set released in 2023, containing 1111 pieces. It builds three display models: a Blue morpho butterfly (Morpho peleides) with a buildable honeybee and flower, a Hercules beetle (Dynastes hercules) with attachable wings and the male’s characteristic horns, and a Chinese mantis (Tenodera sinensis) that is posable and displayed with a 7-spotted ladybug. The set presents each species on its own habitat-style base with botanical details. It is LEGO Ideas No. 50 and is based on the LEGO Ideas project by fan designer José María (hachiroku24).

A new and sealed Insects is currently valued at around $72. The average used price is $60 for those in good overall condition. Based on current trends, this set could be valued near $75 within the next year. New and sealed listings currently range from $70 to $80. The set was available for 30 months, from September 2023 to March 2026.

For Sale (New/Sealed)

(US) Ideas 21342 The Insect Collection New, Factory Sealed, Unopened
BrickEconomy Choice
$60.00
(US) Ideas: The Insect Collection (21342) BRAND NEW SEALED IN BOX $60.00
-16.8%
(US) Ideas 21342 The Insect Collection New, Factory Sealed, Unopened EBRC3 $61.99
-14.1%
(US) Ideas The Insect Collection Set 21342 New Sealed $62.00
-14.1%
(US) Ideas: The Insect Collection (21342) $63.99
-11.3%
(US) Ideas The Insect Collection (21342) - NEW $64.99
-9.9%
(US) Ideas The Insect Collection 21342 Building Set 1111 Pieces Ages 18+ New $65.00
-9.9%
(US) IDEAS #50 The Insect Collection 21342 Butterfly Beatle Mantis New Mint Box $65.75
-8.9%
(LA) Ideas The Insect Collection Nature Display Building Set 21342 $66.66
-7.6%
(US) Ideas: The Insect Collection (21342) (Factory Sealed & Fast Free Delivery) $67.99
-5.8%
(US) Retired Lego Ideas 21342 - The Insect Collection -New $69.95
-3.0%
(US) 21342 Insect Collection IDEAS The Insect Collection Retired New Sealed $69.95
-3.0%
(US) 21342 IDEAS The Insect Collection Building Set 1111 Pieces - NEW $69.99
-3.0%
(US) NISB LEGO Ideas: The Insect Collection (21342) Retired, Mint Condition $69.99
-3.0%
(US) Ideas: The Insect Collection (21342) $69.99
-3.0%
(US) Ideas: The Insect Collection (21342) $70.00
-3.0%
(US) Ideas The Insect Collection Set 21342 - 100% Verified Authentic and New $72.00
-0.2%
Show 25 more listings

Sales Distribution (Last 90 Days)

This chart shows the distribution of sales for the past three months of new/sealed 21342 Insects.

Sale Trends

This chart shows the sales trends (number sold) of new/sealed 21342 Insects.

Sets in Ideas

21341 Hocus Pocus The Sanderson Sister Cottage

Theme Ideas
Year 2023
Pieces / Minifigs 2,316 / 6
Availability Retired
21341 LEGO Ideas Hocus Pocus The Sanderson Sister Cottage
Retail $229.99
Value $299.42
Growth  +30.2%

21343 Viking Village

Theme Ideas
Year 2023
Pieces / Minifigs 2,103 / 4
Availability Retired
21343 LEGO Ideas Viking Village
Retail $129.99
Value $174.89
Growth  +34.5%

21338 A-Frame Cabin

Theme Ideas
Year 2023
Pieces / Minifigs 2,082 / 4
Availability Retired
21338 LEGO Ideas A-Frame Cabin
Retail $179.99
Value $214.55
Growth  +19.2%
Annual growth 12.1%

21340 Tales of the Space Age

Theme Ideas
Year 2023
Pieces 688
Availability Retired
21340 LEGO Ideas Tales of the Space Age
Retail $49.99
Value $93.44
Growth  +86.9%
Annual growth 31.4%
Display spectacular insects from around the world in your home with the LEGO® Ideas The Insect Collection (21342). A charming gift idea for insect-lovers, this set features detailed, life-size, buildable models of a blue morpho butterfly, a Hercules beetle and a Chinese mantis in their natural habitats.

Posable display models
The blue morpho butterfly has adjustable wings featuring LEGO elements in different shades of blue and is displayed with a buildable flower and a honeybee. The Hercules beetle has attachable wings and the characteristic horns of the male of the species, while the fully posable female Chinese mantis (a species of praying mantis) comes with a 7-spotted ladybug. Separate building instructions are included for each model, so you can build solo or with others.

Adults welcome
Welcome to your zone. LEGO Sets for Adults is a carefully curated collection of premium-quality models. Whatever your passion, there is a hands-on building project waiting for...
Description provided by LEGO©