Hydroplane Racer
42045-1 Technic 2016 180 parts 3.3% catalog rarity Easy
Thunder over the ocean and smash water speed records with the incredible Hydroplane Racer (42045-1)! This amazing aerodynamic 2-in-1 Technic model boasts massive sponsons, a large cockpit, and a striking blue and white color scheme accentuated by sporty black-and-white checkered racing stickers. Position this powerful machine at the starting line and witness the propeller and engine pistons spring dynamically into action. Prepare for an exhilarating race! When you're ready for a fresh challenge, transform the Hydroplane Racer into a high-speed Race Boat. Explore its unique design, detailed engine with moving pistons, and a spinning propeller as you dominate the waves, providing an immersive and rewarding building experience.
42045-1
3D build progress
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Parts Inventory
Showing the first 12 rows of the parts list (180 pieces in total). The full list loads automatically.
| Part | Qty | LEGO price each |
|---|---|---|
| 1× | €0,15 | |
| 1× | Check price → View | |
| 1× | €0,08 | |
| 1× | Check price → View | |
| 2× | €0,71 | |
| 1× | Check price → View | |
| 2× | €0,07 | |
| 30× | Check price → View | |
| 2× | €0,38 | |
| 4× | €0,59 | |
| 4× | €0,18 | |
| 4× | €0,11 |
Catalog rarity
How common are the parts in Hydroplane Racer?
2 of 60 recorded part+color combinations appear in 3 or fewer sets in our catalog. This does not measure replacement availability or price.
Theme average
6.5%
All sets
6.7%
Least common in our catalog
More Technic sets
Browse more LEGO Technic sets related to Hydroplane Racer, including models from 2016 and other sets in the same theme.
Build DNA
Parts inventory insights for Hydroplane Racer
180 pieces puts this build -72% against the average Technic set and -47% against the average 2016 release.

Vs average Technic set
Average Technic set: 652 pieces across 454 other sets.
Vs average 2016 set
Average 2016 set: 342 pieces across 438 other sets.
Color profile
Dominant color
Black
Unique parts
3.1 pieces per unique type
Repeat factor
Average pieces per unique type.
Most used part
Technic Pin with Friction Ridges Lengthwise and Center Slots
30xResults are based on official LEGO part inventories. Accuracy improves as you confirm set completeness.
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