Catamaran (42105-1)
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Set details
Name: CatamaranSet number: 42105-1
Year: 2020
Theme: Technic
Number of parts: 405
Number of part types: 76
Age rating: 8+
Retail price: $49.99
Retirement date: 31-12-2021
Price History
Track how the lowest available price for set 42105-1 in The United States has changed over time.
Browse all 405 parts in set 42105-1 with individual pricing from BrickLink or Brick Owl.
Value of parts: $42.37
Pricing information known of 75/76 parts.
Pricing information known of 75/76 parts.
| Part | Color | Quantity | Average price | Total | Value | |
|---|---|---|---|---|---|---|
![]() | Technic Beam 1 x 15 Thick ![]() | 7 x $0.45 $3.18 | ||||
![]() | Technic Gear Rack 1 x 13 with Axle and Pin Holes ![]() | 2 x $1.48 $2.96 | ||||
![]() | Technic Link 1 x 9 ![]() | 4 x $0.44 $1.76 | ||||
![]() | Technic Beam 1 x 15 Thick ![]() | 2 x $0.76 $1.52 | ||||
![]() | Technic Axle and Pin Connector Perpendicular 3L with 2 Pin Holes ![]() | 6 x $0.24 $1.44 | ||||
![]() | Sail, Triangular, with 'Kool Keels Anchor Bouy', '42105', and Waves with Dots Print ![]() | 1 x $1.40 $1.40 | ||||
![]() | Sail, Triangular, with Waves with Dots Print ![]() | 1 x $1.40 $1.40 | ||||
![]() | Technic Beam 1 x 11 Thick ![]() | 2 x $0.69 $1.39 | ||||
![]() | Technic Beam 5 x 11 with 3 x 5 Opening Frame Thick ![]() | 1 x $1.39 $1.39 | ||||
![]() | Technic Pin with Friction Ridges Lengthwise and Center Slots ![]() | 48 x $0.03 $1.28 | ||||
![]() | Technic Pin Connector Round 1L [Beam] ![]() | 17 x $0.07 $1.13 | ||||
![]() | Technic Axle and Pin Connector Angled #2 - 180° ![]() | 7 x $0.16 $1.12 | ||||
![]() | Technic Beam 1 x 3 Thin ![]() | 12 x $0.09 $1.12 | ||||
![]() | Technic Axle 10 ![]() | 3 x $0.29 $0.88 | ||||
![]() | Technic Axle Pin with Friction Ridges Lengthwise ![]() | 33 x $0.03 $0.88 | ||||
![]() | Technic Beam 3 x 3 L-Shape Thin ![]() | 8 x $0.11 $0.85 | ||||
![]() | Technic Pin Connector Hub with 1 Pin with Friction Ridges Lengthwise ![]() | 7 x $0.12 $0.84 | ||||
![]() | Technic Axle Connector with Axle Hole ![]() | 9 x $0.08 $0.72 | ||||
![]() | Technic Axle 11 ![]() | 2 x $0.36 $0.72 | ||||
![]() | Technic Rotor Blade Small with Hole and Axle Connector End ![]() | 4 x $0.17 $0.69 | ||||
![]() | Technic Gear 20 Tooth Double Bevel with Axle Hole Type 1 [+ Opening] ![]() | 2 x $0.35 $0.69 | ||||
![]() | Technic Beam 1 x 3 Thin ![]() | 6 x $0.11 $0.64 | ||||
![]() | Technic Driving Ring Connector ![]() | 6 x $0.11 $0.64 | ||||
![]() | Technic Axle and Pin Connector Perpendicular Double Split ![]() | 4 x $0.15 $0.59 | ||||
![]() | Technic Worm Gear Short ![]() | 2 x $0.29 $0.59 | ||||
![]() | Technic Pin with Friction Ridges Lengthwise and Towball ![]() | 14 x $0.04 $0.56 | ||||
![]() | Technic Beam 1 x 2 Thick with Pin Hole and Axle Hole ![]() | 7 x $0.07 $0.47 | ||||
![]() | Technic Beam 3 x 0.5 Liftarm with Boss and Pin Semi-Reduced ![]() | 5 x $0.09 $0.47 | ||||
![]() | Technic Beam 1 x 9 Thick ![]() | 2 x $0.23 $0.45 | ||||
![]() | Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots ![]() | 17 x $0.03 $0.45 | ||||
![]() | Technic Beam 1 x 7 Thick ![]() | 4 x $0.11 $0.43 | ||||
![]() | Technic Panel Fairing #22 5L Small Smooth, Side A ![]() | 3 x $0.13 $0.40 | ||||
![]() | Technic Panel Fairing #21 5L Small Smooth, Side B ![]() | 3 x $0.13 $0.40 | ||||
![]() | Technic Pin 1/2 without Friction Ridges ![]() | 10 x $0.04 $0.40 | ||||
![]() | Technic Axle Connector Smooth [with x Hole + Orientation] ![]() | 10 x $0.04 $0.40 | ||||
![]() | Technic Axle 2 Notched ![]() | 15 x $0.03 $0.40 | ||||
![]() | Technic Panel Fairing #22 5L Small Smooth, Side A ![]() | 2 x $0.19 $0.37 | ||||
![]() | Technic Bush ![]() | 9 x $0.04 $0.36 | ||||
![]() | Steering Wheel Small, 2 x 2 [Reinforced] ![]() | 2 x $0.17 $0.35 | ||||
![]() | Technic Panel Fairing #21 5L Small Smooth, Side B ![]() | 2 x $0.17 $0.35 | ||||
![]() | Technic Axle and Pin Connector Perpendicular Double ![]() | 4 x $0.08 $0.32 | ||||
![]() | Technic Axle and Pin Connector Angled #6 - 90° ![]() | 2 x $0.16 $0.32 | ||||
![]() | Technic Axle 3 with Stop ![]() | 8 x $0.04 $0.32 | ||||
![]() | Technic Axle and Pin Connector Perpendicular ![]() | 8 x $0.04 $0.32 | ||||
![]() | Technic Axle 4 ![]() | 8 x $0.04 $0.32 | ||||
![]() | Technic Axle and Pin Connector Perpendicular 3L with Centre Pin Hole ![]() | 2 x $0.15 $0.29 | ||||
![]() | Technic Beam 3 x 3 T-Shape Thick ![]() | 3 x $0.09 $0.28 | ||||
![]() | Technic Beam 1 x 13 Thick ![]() | 1 x $0.27 $0.27 | ||||
![]() | Technic Gear 12 Tooth Double Bevel ![]() | 3 x $0.08 $0.24 | ||||
![]() | Technic Beam 1 x 7 Bent (4 - 4) Thick ![]() | 2 x $0.12 $0.24 | ||||
![]() | Technic Axle 3 ![]() | 9 x $0.03 $0.24 | ||||
![]() | Technic Axle and Pin Connector Angled #1 ![]() | 4 x $0.05 $0.21 | ||||
![]() | Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole] ![]() | 8 x $0.03 $0.21 | ||||
![]() | Technic Beam 1 x 5 Thick ![]() | 3 x $0.07 $0.20 | ||||
![]() | Technic Beam 1 x 5 Thick ![]() | 2 x $0.09 $0.19 | ||||
![]() | Technic Beam 1 x 11 Thick ![]() | 1 x $0.19 $0.19 | ||||
![]() | Technic Beam 1 x 3 Thick ![]() | 2 x $0.09 $0.19 | ||||
![]() | Technic Axle 9 ![]() | 1 x $0.17 $0.17 | ||||
![]() | Technic Axle 6 ![]() | 2 x $0.08 $0.16 | ||||
![]() | Technic Axle 5 with Stop ![]() | 4 x $0.04 $0.16 | ||||
![]() | Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced ![]() | 6 x $0.03 $0.16 | ||||
![]() | Technic Beam 1 x 3 Thick ![]() | 2 x $0.07 $0.13 | ||||
![]() | Technic Axle 7 ![]() | 2 x $0.07 $0.13 | ||||
![]() | Technic Axle 4 with Stop ![]() | 5 x $0.03 $0.13 | ||||
![]() | Technic Beam 2 x 4 L-Shape Thick ![]() | 2 x $0.05 $0.11 | ||||
![]() | Plate Round 1 x 1 with Solid Stud ![]() | 2 x $0.05 $0.11 | ||||
![]() | Technic Pin Connector Hub with 2 Axles ![]() | 1 x $0.09 $0.09 | ||||
![]() | Technic Pin Connector Hub Perpendicular 3L with 4 Pins ![]() | 1 x $0.09 $0.09 | ||||
![]() | Technic Pin Connector Hub with 1 Axle ![]() | 1 x $0.08 $0.08 | ||||
![]() | Technic Axle Towball ![]() | 3 x $0.03 $0.08 | ||||
![]() | Plate Round 1 x 1 with Solid Stud ![]() | 2 x $0.04 $0.08 | ||||
![]() | Technic Beam 1 x 3 Thick ![]() | 1 x $0.07 $0.07 | ||||
![]() | Plate Round 1 x 1 with Solid Stud ![]() | 2 x $0.03 $0.05 | ||||
![]() | Technic Axle Pin 3L with Friction Ridges Lengthwise and 1L Axle ![]() | 2 x $0.03 $0.05 | ||||
![]() | Technic Axle Pin without Friction Ridges Lengthwise ![]() | 1 x $0.04 $0.04 | ||||
Missing pricing information on the following items.
| Part | Color | Quantity | |
|---|---|---|---|
![]() | Boat / Pontoon 36 x 7 x 7 with Blue Bottom ![]() | ||
Compare the value of buying Catamaran as a complete set versus the total value of all parts individually.
BrickLink 
Ratio: what the parts sell for, over what the set sells for. Above 1× the parts are worth more than the set.
New · 6 months ?
Set ? · parts $36.35
Used · 6 months ?
Set ? · parts $25.70
Brick Owl 
New · Current 0.98×
Set $50.65 · parts $49.61
New · 6 months 1.1×
Set $39.05 · parts $42.77
New · 1 year 0.99×
Set $42.87 · parts $42.37
Used · Current 0.81×
Set $43.75 · parts $35.28
Items sold, 6 months, new, both marketplaces 1
BrickLink ![]() | |||||
| Condition | Timespan | Avg price | Items sold | Inventory value | Ratio |
| New | 6 months | ? | ? | $36.35 | ? |
| Used | 6 months | ? | ? | $25.70 | ? |
Brick Owl ![]() | ||||
| Condition | Timespan | Avg price | Inventory value | Ratio |
| New | Current | $50.65 | $49.61 | 0.98 |
| 6 months | $39.05 | $42.77 | 1.1 | |
| 1 year | $42.87 | $42.37 | 0.99 | |
| Used | Current | $43.75 | $35.28 | 0.81 |
| Combined 6 Month Sales Volume (New) | |
| Total items sold | 1 |
Kids can recreate the thrill of boat racing with this super-cool LEGO® Technic™ (42105) Catamaran toy. For the first time ever, this LEGO Technic model toy floats on water! So, sailing enthusiasts can learn while they play. See how the sails work. Or how the dagger boards 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.
Learn how to build and sail an awesome toy boat
Build… rebuild… play… display... There’s so much for kids to discover with this LEGO engineering toy. Have fun building the Catamaran – inspired by real race boats. Then set it in the bathtub to recreate speed sailing adventures before rebuilding into a Race Power Boat. If you're looking for toy boats that really float, this set is a great choice.
Unique toys and immersive building experiences
LEGO Technic sets are ideal for LEGO fans looking for a new challenge. They offer an advanced building experience for kids and adults who enjoy learning new engineering skills – or simply love to build.
- Take to the water with this racing Catamaran floating toy sailboat. Packed with realistic features, it includes 2 sails, 2 dagger boards and rudder.
- Ideal for developing engineering skills, this 2-in-1 model sailboat kit lets kids build, play and rebuild, giving an introduction to how boats really work.
- Master the tactics of a world-class speed-sailor. Angle the sails for the ultimate racing position. Raise and lower the 2 dagger boards to maximize stability. Then use the rudder to steer.
- Looking for the best gifts for a toy boat fan? This LEGO® Technic™ Catamaran (42105) is a great choice. Designed for ages 8+, it’s ideal for LEGO fans looking for a new challenge, or for anyone with a passion for sailing.
- At over 12” (32cm) long, 8” (22cm) wide and 17” (44cm) high (from the bottom of the rudder to the top of the mast), this model sailboat is made for easy handling in the bathtub.
- Who needs batteries when you've got sails? Certainly not this LEGO® Catamaran! It's powered by imagination, so no batteries are required.
- Get building straightaway with full instructions for the Catamaran in the box. Ready to build the Race Power Boat? You’ll find extra instructions for this online.
- Young LEGO® fans can discover a whole new world of building fun with LEGO Technic™ plastic model kits. With cool vehicle designs and realistic functions, the action goes on long after the model is built.
- LEGO® building bricks are designed to the highest industry standards. LEGOTechnic™ building kits are consistent, compatible and connect easily every time.
- LEGO® Technic™ pieces go through robust testing to make sure every building set meets the highest global safety and quality standards.
Find the cheapest offers for set 42105-1 from sellers on secondary marketplaces like Brick Owl and eBay. As an eBay Partner Network Affiliate and Brick Owl Affiliate, I earn from qualifying purchases.
Brick Owl and eBay marketplace offers.
Notification
Notification
BrickLink history of 0 sales with 0 total item quantity. Item condition: New.
No sale history available.






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