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LEGO Tropical Aquarium Offers All The Beauty Of The Ocean Without The Maintenance

3 Minute Read
Oct 17 2025
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Love the look of a vibrant aquarium filled with tropical fish, but don’t have the time to care for it? LEGO has you covered.

Saltwater fish tanks are gorgeous, but are notoriously hard to care for, even for long-time owners. A LEGO alternative is on the way. Unlike their complex counterparts, you’ll never have to feed these brick-built fish or clean their tank. All they need is a little sound…

LEGO Tropical Aquarium

Find an escape from the everyday and explore the beauty of underwater life with this upcoming set made with adult builders in mind. This colorful model features four model fish (including a happy clownfish), plants, coral, sea worms, sea snails, and an oyster shell containing a pearl. Hidden dials and a crank animate swimming fish, swaying coral, a crab comes out from an underwater cave, and an opening treasure chest.  

This vibrant, brick-built underwater world, teeming with playful details and charm, is the perfect addition to any home or office.

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The Tropical Aquarium arrives on November 16th, with pre-orders opening on November 13th. Those who pre-order will get a free fish tank filter and fish food gift while supplies last.

3-in-1 Sea Animals (31158)

Build three different underwater scenes with this 421-piece set, perfect for kids and grown-up builders alike. It’s on the retirement list, so snag it while you still can.

  • Two fish, a turtle, a jellyfish, a seahorse, and a red crab
  • Octopus and squid with a volcanic rock element
  • Two fish among colorful sea plants

Deep Sea Research Sub (42201)

Dive deep below the ocean waves with this Technic submarine. It features steering, the spinning propellers, three air tanks, and a cockpit with a seat and controls. It also has an extending arm to grab and lift the included barrel—or anything that fits within its pinchers.

  • 413 pieces
  • 6 in. (15 cm) high, 9.5 in. (25 cm) long, and 6 in. (15 cm) wide

Please note that BoLS may earn a commission when you purchase through links on our site.

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Author: Mars Garrett
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