LEGO® Technic - Hydroplane Racer (42045)

180 pieces


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Description & Features+

Smash water speed records with this amazing, aerodynamic 2-in1 model, featuring massive sponsons, large cockpit and a blue and white color scheme with sporty black-and-white checkered racing stickers. Maneuver this powerful machine to the starting line and see the propeller and engine pistons spring into action. Now get ready to race! When you feel like another building challenge, rebuild it into a high-speed Race Boat. Interactive, 3D Digital LEGO® Building Instructions app available online, for both models!
• Features a unique aerodynamic design with huge sponsons, large cockpit, detailed engine with moving pistons and a spinning propeller
• Check out the blue and white color scheme with sporty black-and-white checkered racing stickers
• Maneuver the Hydroplane Racer and see the engine and propeller spring to life
• This LEGO® Technic model is designed to provide an immersive and rewarding building experience
• Appropriate for children aged 8 to 14
• Interactive, 3D Digital LEGO® Building Instructions app available online for both A and B models
• 2-in-1 model: rebuilds into a Race Boat
• Hydroplane Racer measures over 2” (6cm) high, 9” (23cm) long and 5” (13cm) wide
• Race Boat measures over 2” (6cm) high, 8” (21cm) long and 3” (10cm) wide


Available for Shipping to Grab & Go Locker
Available for Shipping to Canada Post
Choking Hazard Warning
LEGO® Collection
LEGO® Technic
Number of Pieces
Age 5-8, Age 9-12
Product Identifiers
Walmart Item #
Model #

From the Manufacturer +

Ratings & Reviews+

LEGO® Technic - Hydroplane Racer (42045) is rated 5.0 out of 5 by 6.
Rated 5 out of 5 by from Small but cool I got this set for Christmas from Santa Claus. At first, I thought that it would be a very boring set to play with. However, I was proved wrong. The easy build gives a hydroplane with a powertrain that spins the propeller and moves the 4-flat engine! The only gripe is the very hard to place stickers, but it is a very minor gripe. It is a great football player!
Date published: 2017-01-20
Rated 5 out of 5 by from technic this is a great starter set for people just getting in to technic.
Date published: 2016-11-21
Rated 5 out of 5 by from The lego product came in good condition. The features of this lego set are pretty cool and there is a two in one which is race boat and a racer.
Date published: 2016-06-25
Rated 5 out of 5 by from Good product Lego is my grandson's first choice. he builts his own models and is very creative. This is all because of LEGO
Date published: 2017-02-08
Rated 5 out of 5 by from Awesome Love it, pretty cool
Date published: 2016-10-14
Rated 5 out of 5 by from Very good quality and happy with the purchase We searched for a similar product in market both online and other stores and the same product with same specs costed more everywhere else especially when included the delivery charge. Asda free delivery to Asda store was excellent and arrived on-time and very happy with the total experience of purchasing this.
Date published: 2016-05-17
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