Building Kits for Adults bazaar

Are you looking for affordable, yet fully functional goods? You've come to the right place. Save money and explore the world of unsealed, like new, or used items. Everything goes through the hands of our specialists, so you don't have to worry about receiving a non-functional, unreliable, damaged, or dirty product.

Unsealed - brand new and in perfect condition with full warranty. The original packaging has been opened by someone else, perhaps because it was an unsuitable gift. We have carefully resealed the item in its original packaging, and now it may be waiting just for you. It's in great shape and comes with a significantly lower price tag.

Reliability at a great price - there are no hidden tricks. We have thoroughly inspected everything and confidently offer you a full warranty, 24 months in total.

Like New - fully functional items that may have minor scratches from regular use. In most cases, you will receive them with all the accessories. These are reliable products that haven't been significantly affected by their previous adventures and are now waiting for a new owner. These items come with an almost full warranty of 21 months.

We do our best to preserve the original packaging whenever possible, but sometimes, for the sake of protection, we may have to use alternative boxes for this type of items.

Used - completely functional items ready for immediate use, guaranteed with a 12-month warranty. It's possible that you will receive the product with only the essential accessories. However, the packaging always contains everything necessary for the full use of the item. These are functional or serviced products that, despite visible wear, are far from being considered scrap.

This option may come with a replacement box - protection is a top priority. However, the product does its job just like a brand new one. For more information about used items, click here

48 Results
4.9 176×
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LEGO® Technic 42172 McLaren P1™
LEGO Set for adults, suitable from the age of 18 years, theme: Cars and Means of transport, launched in 2024, 3893 pc(s)
-4 % off new 318.90 € New 335.58 €
Buy
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: LO42172
4.8 137×
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LEGO® Icons 10295 Porsche 911
LEGO Set for adults, suitable from the age of 18 years, theme: Cars and Means of transport, launched in 2021, 1458 pc(s)
-4 % off new 135.90 € New 142.90 €
Buy
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: LO10295
LEGO® Star Wars™ 75419 Death Star - LEGO Set
LEGO - Stavebnice jen u nás
On the product detail page you can look at the 3D model
Free delivery
Alzaboxes and stores
5.0 9×
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LEGO® Star Wars™ 75419 Death Star
LEGO Set for adults, suitable from the age of 18 years, theme: Fantasy, Movies and TV shows, Spacecraft and Spaceships, characters: Dark trooper, DarthVader and Stormtroopers, launched in 2026 - new releases, 9023 pc(s)
-2 % off new 823.90 € New 849.15 €
Buy
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: LO75419
4.9 234×
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LEGO® Technic 42141 McLaren Formula 1 Race Car
LEGO Set for adults, suitable from the age of 18 years, theme: Cars, Means of transport and Formula, launched in 2022, 1434 pc(s)
-19 % off new 124.90 € New 155.90 €
Buy
Unsealed - in stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: LO42141
4.5 2×
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LEGO® Icons 11380 Road Bike
LEGO Set for adults, suitable from the age of 18 years, theme: Means of transport and Sport, launched in 2026 - new releases, 1015 pc(s)
-1 % off new 91.90 € New 93.42 €
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Unsealed - in stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: LO11380
4.8 98×
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LEGO® Ideas 21347 Red London Telephone Box
LEGO Set for adults, suitable from the age of 18 years, theme: Buildings, Countries/Cities and Buildings, launched in 2024, 1460 pc(s)
  114.90 €
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Unsealed - in stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: LO21347
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LEGO® Icons 11386 Spongebob Squarepants: Bikini Bottom Still Life
LEGO Set - for adults, suitable from 18 years, LEGO® Icons series, launched in 2026 - new, packaging contains 1794 pieces
  214.90 €
Buy
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: LO11386
4.8 155×
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LEGO® Icons 10333 Lord of the Rings: Barad-dûr™
LEGO Set for adults, suitable from the age of 18 years, theme: Movies and TV shows, launched in 2024, 5471 pc(s)
-1 % off new 407.90 € New 412.11 €
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Unsealed - in stock 1 pcs
Order Code: LO10333
4.7 162×
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LEGO® Ideas 21330 Home Alone
LEGO Set for adults, suitable from the age of 18 years, theme: Buildings, Movies and TV shows, Christmas and Games, characters: Harry, Kate McCallister, Kevin McCallister, Marley and Marv, launched in 2022, 3955 pc(s)
-5 % off new 247.90 € New 261.36 €
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Unsealed - in stock 1 pcs
Order Code: LO21330
4.9 378×
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LEGO® Ideas 21349 Black and White Cat
LEGO Set for adults, suitable from the age of 18 years, theme: wild cat and animals, launched in 2024, 1710 pc(s)
-1 % off new 83.90 € New 84.92 €
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Unsealed - in stock 1 pcs
Order Code: LO21349
4.9 129×
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LEGO® Star Wars™ 75367 Venator-class Republic Attack Cruiser
LEGO Set for adults, suitable from the age of 18 years, theme: Movies and TV shows, Ship, Universe, Spacecraft, Spaceships and Games, characters: Captain Rex and Admiral Yularen, launched in 2024, 5374 pc(s)
  560.90 €
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Unsealed - in stock 3 pcs
Order Code: LO75367
4.9 61×
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LEGO® Icons 10350 Tudor Style Corner House
LEGO Set for adults, suitable from the age of 18 years, theme: Buildings and Houses, launched in 2025, 3266 pc(s)
  206.90 €
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Unsealed - in stock 1 pcs
Order Code: LO10350
4.9 298×
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LEGO® Botanicals 10342 Beautiful Bouquet of Pink Flowers
LEGO Set for adults, suitable from the age of 18 years, theme: Flowers and Nature, launched in 2025, 749 pc(s)
  50.90 €
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Unsealed - in stock 2 pcs
Order Code: LO10342
4.7 53×
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LEGO® Botanicals 10374 Bouquet of Pink Roses
LEGO Set for adults, suitable from the age of 18 years, theme: Flowers, launched in 2025, 789 pc(s)
-9 % off new 39.90 € New 44.12 €
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Unsealed - in stock 1 pcs
Order Code: LO10374
4.8 29×
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LEGO® Icons 10360 C/50010360
LEGO Set for adults, suitable from the age of 18 years, theme: Means of transport, Aircraft and Raketa, launched in 2025, 2417 pc(s)
-9 % off new 184.90 € New 204.21 €
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Unsealed - in stock 2 pcs
Order Code: LO10360
4.9 242×
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LEGO® Icons 10330 McLaren MP4/4 and Ayrton Senna
LEGO Set for adults, suitable from the age of 18 years, theme: Means of transport, Formula and Sport, launched in 2024, 693 pc(s)
  67.90 €
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Unsealed - in stock 1 pcs
Order Code: LO10330
4.7 42×
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LEGO® Star Wars™ 75397 Jabba's Barge
LEGO Set for adults, suitable from the age of 18 years, theme: Movies and TV shows, Ship, Mini dolls, Universe, Spacecraft and Spaceships, characters: Bib Fortuna, C-3P0, Princess Leia and R2-D2, launched in 2025, 3943 pc(s)
-5 % off new 410.90 € New 435.62 €
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Unsealed - in stock 1 pcs
Order Code: LO75397
5.0 37×
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LEGO® Icons 10375 How to Train Your Dragon: Toothless
LEGO Set for adults, suitable from the age of 18 years, theme: Dragons and Movies and TV shows, launched in 2026 - new releases, 784 pc(s)
-5 % off new 57.90 € New 61.19 €
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Unsealed - in stock 3 pcs
Order Code: LO10375
4.9 54×
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LEGO® Technic 42130 BMW M 1000 RR
LEGO Set for adults, suitable from the age of 18 years, theme: Means of transport and Motorcycles, launched in 2022, 1920 pc(s)
-3 % off new 193.90 € New 201.90 €
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Unsealed - in stock 1 pcs
Order Code: LO42130
4.9 46×
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LEGO® Botanicals 11501 Tulip Bouquet
LEGO Set for adults, suitable from the age of 18 years, theme: Nature, Season and Easter, launched in 2026 - new releases, 576 pc(s)
-11 % off new 39.90 € New 44.97 €
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As good as new - in stock 1 pcs
Order Code: LO11501
4.9 61×
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LEGO® Art 31213 Mona Lisa
LEGO Set for adults, suitable from the age of 18 years, theme: Shapes and Art, launched in 2024, 1503 pc(s)
-1 % off new 83.90 € New 84.90 €
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Unsealed - in stock 2 pcs
Order Code: LO31213
4.9 150×
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LEGO® Star Wars™ 75356 Star Superdestroyer Executor
LEGO Set for adults, suitable from the age of 18 years, theme: Movies and TV shows, Ship, Universe, Spacecraft and Spaceships, launched in 2024, 630 pc(s)
-11 % off new 61.90 € New 69.90 €
Buy
Unsealed - in stock 1 pcs
Order Code: LO75356
4.9 65×
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LEGO® Star Wars™ 75343 Dark Trooper™ Helmet
LEGO Set for adults, suitable from the age of 18 years, theme: Movies and TV shows, Games and Helmet , launched in 2022, 693 pc(s)
-7 % off new 101.90 € New 109.90 €
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Unsealed - in stock 1 pcs
Order Code: LO75343
5.0 3×
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LEGO® Ideas 21366 Swimming Sea Otters
LEGO Set for adults, suitable from the age of 18 years, theme: Animals, launched in 2026 - new releases, 1234 pc(s)
-8 % off new 77.90 € New 84.92 €
Buy
Unsealed - in stock 1 pcs
Order Code: LO21366