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Instructions For LEGO 42074 Racing Yacht

These are the instructions for building the LEGO Technic Racing Yacht that was released in 2018.

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Explore sail shape, area and angle to the wind needed for a wind powered vehicle to effectively capture wind energy.

( 5-10 Minutes )

It is a windy weekend at the beach and Jack and Jill are out to have a bit of fun. They have this old cart they normally use, but today it’s Jill’s turn to push Jack and Zog the Dog, and the weather is really windy, which makes it very hard work for her.

Jill gives up in the end and Jack can understand why. Zog the Dog does his best to help out and suddenly he sees an old towel half buried in the sand. Jill spots it at exactly the same time and they discuss between them how using the towel, the wind power, and a few other things, it may be possible to make a kind of land yacht that will safely take them all for a fun ride.

How can you make a safe cart that is powered by the wind ... and carries at least one person? Let’s find out!

( 20-25 Minutes )

Make Your Test Track Stick a 4-meter (≈ 4 yards) strip of masking tape across a stretch of floor and mark it off every 10 cm (≈ 4 in) from the fan. Now we are ready to build models!

Warning! This may be dangerous!

Warning! Fans are potentially dangerous. Make sure that students handle them with great care!

Build the Land Yacht (all of Book 9A and book 9B to page 5, step 12) Build it with the small sail first.

Contemplate

( 20-25 minutes ).

What difference does sail size make? Predict and test: what difference could there be between the 40 cm2 (≈ 15 in2) (small), 80 cm2 (≈ 31.5 in2) (medium), and 160 cm2 (≈ 63 in2) (large) sails on the yacht. How far will each roll ... and (optional) how fast?

Test at least three times with each sail attached to obtain a scientifically valid answer.

In our tests, the small sail rolled about 1.5 m, the medium about 2 m and the large about 2.5 m. Double the area gathers more wind energy but does not double the distance. Why? The further from the fan, the weaker the wind! Larger sails moved faster at first. But all the sail sizes stopped rolling after about 10 seconds. None of them sail faster than the wind!

Tip Choose ONE speed setting to do all the tests. Any speed will do. We used high speed.

Note Your ‘serious’ scientists might also suggest testing the land yacht with just the bare mast, i.e. with no sail at all, so you might wish to try that as well.

What if the wind is blowing from an angle? Launch your land yacht at different angles across the wind stream. Can you explain what happens?

At most angles except D the yacht still moves forward! One part of the wind’s force is deflected off the sail, propelling it forward.

The other part of the force tries to blow it sideways. In fact a land yacht sailing across the wind at angles B and C can go very fast – but could also flip over.

Did you know? The LEGO figure weighs 3 g (≈ 0.1 oz). The yacht weighs about 55 g (≈ 1.94 oz). The weight brick is 53 g (≈ 1.9 oz). Predict and test how the yacht would perform with a weight brick load.

Does sail shape matter? Try making card or paper sails with the same area but a different shape. Find out about Square Riggers, Kon-Tiki, Chinese Junks, and Arab Dhows from books or by searching the internet.

( 25-30 Minutes )

The Wind Sucker Rebuild the model to page 24, step 15. Hold the model 2 m (≈ 2 yds) away facing the fan (set on high speed). Predict what will happen when you let go. Then try it! Can you explain?

It builds up speed running towards the fan. The wheels may skid when it is close to the fan. The energy from the wind is collected by the sails, geared down (3:1), which increases the force and turns the wheels, but in the opposite direction. When it skids – the wind force one way is equal to the friction force of the tires pushing the other way

Idea Predict and test what happens if you face it away from the fan.

Making it more efficient? Add a weight brick and see what happens. Swap the thin wheels for big wheels.

If it is skidding, adding weight increases friction by pressing the tires harder onto the floor. Large wheels also have more area in contact with the floor, i.e. friction and grip increase and it moves forward. It will also move faster (larger wheels).

Teacher Support

Students will explore the concepts of: Scientific investigation Air resistance Area Mechanisms – Gears Force Friction Formal and informal measuring of time and distance

9686 Simple & Powered Machines Set (two students per set recommended) 4-meter (≈ 4 yards) strip of smooth floor Masking tape Meter stick (yard stick) or measuring tape Timer or stopwatch 3-speed desk fan Optional: card, scissors, pencils, and rulers to make your own sails

NGSS Disciplinary Core Ideas: Physical Science MS-PS2 Motion and Stability: Forces and Interactions

Crosscutting Concepts Energy and matter

Science and Engineering Practices Developing and using models Planning and carrying out investigations Obtaining, evaluating, and communicating information

Common Core Mathematics Standards 7.RP.A / 6.NS.B / 6.EE.C / 7.EE.B / 8.EE.B / 8.F.B / 6.SP.A

Common Core English Language Arts SL 6.1 / 6.2 / 7.1 / 7.4 / 8.1 RST 6-8.3 / 6-8.4 / 6-8.7 WHST 6-8.1 / 6-8.7 / 6-8.8 / 6-8.9

Student Material

Student worksheet.

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Fortnite Launches New LEGO Islands and Tools to Make More of Them

• Tinkerers can now make their own LEGO Creative Islands in Fortnite.
• Doing so is as simple as leveraging the new LEGO assets that have just been added to Unreal Editor for Fortnite and Fortnite Creative.
• Three new LEGO Creative Islands have debuted alongside this release, offering a wide variety of gameplay experiences.

Unreal Editor for Fortnite has received new assets that allow enthusiasts to make their own LEGO Creative Islands. Their arrival has been accompanied by the release of three additional LEGO Islands in Fortnite .

This development marks another milestone in Epic Games and LEGO Group's ongoing partnership, which was envisioned as a long-term project meant to usher in a comprehensive digital "metaverse" geared toward child-friendly entertainment. While the collaboration was originally announced in April 2022, it is still in its infancy; its first result only arrived in December 2023 in the form of a LEGO-themed survival crafting Fortnite mode , aptly called LEGO Fortnite .

What Is a Creator Made Island in Fortnite?

Fortnite players can now make their own lego creative islands.

That experience was later expanded with the addition of two new LEGO islands within Fortnite , Raft Survival and Obby Fun, which debuted in late February. Epic and LEGO are now following up on that move with the release of Unreal Editor assets that let anyone create their own LEGO-themed Creative Islands. The pack was announced during the third day of this year's Game Developers' Conference (GDC) in San Francisco.

Accompanying this developer-facing release are three additional LEGO Fortnite Islands that players can access as of today. Fans interested in a combat-focused experience can hop into LEGO Battle Arena, which will allow them to learn the ways of Spinjitzu and test their martial arts prowess against other players, all the while marveling at a digital take on a dojo inspired by the LEGO Ninjago line. Those looking for something a bit less fighting-oriented can instead turn to the new Fortnite prop hunt map arriving in the form of a picturesque LEGO Island.

New Fortnite LEGO Islands Available Today

• LEGO Battle Arena : meet and train with Masters of Spinjitzu at the LEGO Ninjago Dojo, then compete against other trainees.
• LEGO Cat Island Adventure : meet and nurture a friendly cat.
• LEGO Prop Hunt : become a prop and hide, or hunt those who do.

The third mode, LEGO Cat Island Adventure, looks to be by far the most relaxing of the trio, not least because it features a mini-game that tasks players with befriending a cute brown feline on a beautiful autumn isle by completing various objectives. Accessing the new LEGO Creative Islands in Fortnite is as simple as searching for them from the main Lobby menu by name or finding them listed under the Discover tab.

Following these additions, LEGO Fortnite now comprises five official Creative Islands that extend its base survival crafting experience. While it's unclear whether more will follow in the near future, the arrival of Unreal Editor assets allowing anyone to make their own levels suggests there should soon be no shortage of such LEGO Fortnite maps to choose from.

Lego Fortnite

LEGO Fortnite is a mode within Fortnite that draws inspiration from Minecraft. You'll build structures, craft weapons, and upgrade your village to help you survive the monsters that come out at night.

Franchise LEGO

Platform(s) Xbox Series X, Switch, PS5, PS4, PC, Mobile, Xbox One

Released December 7, 2023

Developer(s) Epic Games

Genre(s) Survival

Multiplayer Online Multiplayer

ESRB E10+ For Everyone 10+ Due To Fantasy Violence

Metascore N/A

LEGO® Technic™ Racing Yacht

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Tournament Battle Arena

Pre-order this item today, it will ship from August 1, 2024

We restrict the limit a household can buy in order to be fair to all of our fans. If you’ve already reached that limit through previous orders your entire order may be cancelled.

Specifications

This detailed Tournament Battle Arena (71818) set lets boys and girls aged 7+ recreate the dramatic final showdown from season 2 of the NINJAGO® Dragons Rising TV show. The ninja battle playset includes lots of interactive features to provide kidswith hours of playtime. Afterward, it makes an eye-catching display model on a shelf or bedside table.

This LEGO® NINJAGO set includes 2 moving platforms so kids can play out exciting battles with a ninja and a villain, a large drum they can push off i ts stand to roll into the arena, and a staircase that collapses with the pull of a lever, causing any characters on it to slide to the bottom.

This buildable ninja toy for kids comes with 6 NINJAGO minifigures. Ninja Kai and Sora, in their tournament armor and with never-before-seen short katana sword accessories, battle a collection of villains: Cinder, a Wolf Mask Warrior and, exclusive to this set, Evil Jay and Tox.

• NINJAGO® battle playset for kids – Boys and girls aged 7+ can recreate amazing action scenes from season 2 of the NINJAGO Dragons Rising TV show with the Tournament Battle Arena set
• Interactive role-play toy – The arena action toy includes 2 moving platforms on which kids can place a ninja and a villain to play out action-packed battles
• Rolling drum and collapsing stairs – Kids can pull a lever to collapse the arena’s stairs and cause a minifigure to slide down, or push the drum from its stand to roll into the arena
• 6 NINJAGO® minifigures – This ninja toy for kids includes ninja Kai and Sora, in their tournament armor, who battle Cinder, a Wolf Mask Warrior and, exclusive to this set, Evil Jay and Tox
• NINJAGO® gifts – This LEGO® set provides a fun build-and-play experience and is a birthday gift idea for kids aged 7 and up who love pretending to be ninja
• A helping hand – Discover intuitive instructions in the LEGO® Builder app, where builders can zoom in and rotate models in 3D, track their progress and save sets as they develop new skills
• Bigger ninja adventures – Look out for more LEGO® NINJAGO® toys (sets sold separately) featuring dragons, mechs and vehicles
• Measurements – This 659-piece Tournament Battle Arena adventure toy measures over 6.5 in. (17 cm) high, 12 in. (30 cm) wide and 7.5 in. (20 cm) deep