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LEGO Technic: Catamaran (42105)

GBP 28.99

RRP: £34.99


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Kids can recreate the thrill of boat racing with this super-cool LEGO Technic (42105) Catamaran toy that rebuilds into a Race Power Boat. For the first time ever, this LEGO Technic rebuildable catamaran-to-race boat model really floats on water! Kids can set the catamaran in the bathtub to recreate speed sailing adventures before rebuilding into a Race Power Boat.

So, sailing boats enthusiasts can learn while they play - how the sails work or how the daggerboards maximise stability and how the rudder steers. With the classic 2-hull catamaran design, this model boat is a fantastic recreation of the real thing, to build, rebuild, play and display.

Have fun building the exclusive racing water vehicles – inspired by real race boats. To build the Race Power Boat you’ll find extra instructions online. The catamaran toy measures over 12” (32cm) long, 8” (22cm) wide and 17” (44cm) high. Contains 404 Pieces.


  • 2-in-1 Catamaran which really floats. Rebuild into a cool speed boat toy.
  • Build, play, rebuild, display. With 2 models in 1, the learning goes on.
  • Packed with sailing features, such as working sails, dagger boards and rudder.
  • Ideal for sailing enthusiasts young and old from age 8+.
  • Measures over 17” (44cm) high (from bottom of rudder to top of mast).
  • No batteries required so play starts straightaway!
  • Easy-to-follow instructions included (plus online Race Power Boat PDF guide).
  • LEGO® Technic™ helps builders develop problem-solving skills while they play.
  • All LEGO® gifts and sets are tested to the highest industry standards.
  • LEGO® Technic™ building toys meet the toughest global safety standards.
  • Age: 8+
  • Number of Pieces: 404
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Customer Reviews

Overall Rating : 5.0 / 5 (1 Reviews)
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Top Customer Reviews

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Best Christmas present!

I bought this for my grandad for Christmas - he’s worked with catamarans for a long time and he absolutely LOVED it! It was made on Christmas Day and took pride of place!!