Building Instructions -

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This is a simple robot, variation of the Earl bot using treads. You can use the attachment to kick balls sideways. The robot is useful in STEM classes where students have to construct robots quickly.

We love tanks. You love tanks. Everybody loves tanks. Well, not exactly - more like everybody loves machines with chain treads because they are interesting, not that common, very easy to build and could tackle a lot of obstacles.

This attachment for the Nautiq robot is designed to accomplish M15 Research Vessel in the FIRST LEGO League 2024‑2025 SUBMERGED competition. It includes one detachable part: the hook is removed after collecting the Research Vessel, and the remaining part is used to deliver it to its target location.

When you need a LEGO robot attachment to lift heavy things on the competition field. Probably at FIRST LEGO League or World Robotics Olympiad. This attachment uses 4-5 gear wheels to lift a heavy object.

Build with LEGO Mindstorms EV3 parts. 

This attachment for the Nautiq robot is designed to align the robot to the wall during the FIRST LEGO League 2024‑2025 SUBMERGED competition. It ensures consistent positioning for reliable mission execution.

Robot attachment that shows you how a circular motion could be transferred to linear by using a gear and a rack. The final motion is for pushing and pulling things. 

The attachment could be built from LEGO Mindstorms EV3 and NXT parts. 

This attachment for the Nautiq robot is designed for missions M13 Coral Reef, M12 Raise the Coral, and M09 Release the Shark from the FIRST LEGO League 2024-2025 SUBMERGED competition. It features a passive mechanical trigger that releases a lever powered by a rubber band. A passive curtain mechanism is included for collecting parts from the field. The attachment is optimized for quick and reliable mission execution without additional motors.

The story goes like this. Two engineers meet at a bar (or on discord during the pandemic) discussing which robot to use for this year's FIRST LEGO League 2020 Replay Solution and Review with explanations. They started their cameras, had a hot Carolina Reaper, had an argument, hugged each other, and decided to build Gazon, and use this new robot for the competition. So here it is. Small, 4 motors, 2 color sensors, stable, light.

This simple active pinless attachment for the Nautiq robot is designed specifically to accomplish mission M08 Artificial Habitat in the FIRST LEGO League 2024‑2025 SUBMERGED challenge. It offers a minimalist, efficient mechanism ideal for reliably completing the mission. No motors are required—setup is quick and intuitive. The compact design ensures stable performance and easy integration with the Nautiq robot.

Building instructions for a LEGO Mindstorms EV3 robot that we call Space Explorer. The motors are attached in a very interesting way to the brick. Both the brick and the motors are vertical and there are not many robots like this. With its ultrasonic sensor, this robot allows you to follow, find or avoid objects. Just like an explorer. And since it is a robot why not put it in space and call it "Space Explorer".

There is one part that is not from the EV3 sets, but you can actually skip it. You don't need it. Try to find which one.

This example hook for the Nautiq robot is designed to attach other attachments to the wall during the FIRST LEGO League 2024‑2025 SUBMERGED competition. It is provided as a sample; the best hooks are custom-made to match the attachments they are intended to hold.

The goal of these building instructions is to build a simple LEGO Mindstorms EV3 robot without wheels. You should then think of yourself how exactly to add the wheel. Which wheels would you use on the front? How are you going to build the third wheel? Here are for example a few recommendations on building the third wheel - 1, 2, 3, 4 

Later on you can expland this construction with a grabber as demosntrated here. 

These are 3D Building Instructions for an Alternative M06 Angler Fish mission model for the FIRST LEGO League 2024-2025 SUBMERGED competition. For the original mission model, see M06 Angler Fish.

This LEGO Mindstorms robot is strange. Can you guess what is strange about it?... The motors are placed in a reverse direction. One of the motors is facing "forward" while the other one is facing "backwards". This means that if you make the robot move forward with a Tank Block in the EV3-G software it will just rotate. To make the robot move forward, you will have to make one of the motors rotate forward and the other one - rotate backwards.

The goal of this robot is to teach students that motors could be placed in many different ways. It is not always the case that the two motors face the same direction. Also, it is quite fun. 

These are 3D Building Instructions for an Alternative M14 Research Vessel mission model for the FIRST LEGO League 2024-2025 SUBMERGED competition. For the original mission model, see M14 Research Vessel.

Following the Spy Bot, we have this new Spy Vehicle. Yes, yes it is using an ultrasonic sensor.

The building instructions are for a robot base that looks like a car but is not exactly a car and has a strange shape. Just like spy vehicles - a car, but not only a car and not just a car. 

These are 3D Building Instructions for an Alternative M11 Raise the Mast mission model for the FIRST LEGO League 2024-2025 SUBMERGED competition. For the original mission model, see M11 Raise the Mast.

Building instructions for a LEGO robot that shoots 40 mm ping pong balls. The shooting mechanism is powered by two EV3 Large motors, while the whole mechanism is rotated by a medium motor. The robot can store up to 6 ping pong balls and has a Ultrasonic Sensor to detect targets.