Mechanical Engineering

Capture your creation

Share your creation with other DIYers!

Post
Completed post

Mechanical Engineering

Complete this activity and collect!

Complete
Challenge icon
Your mission

What is it?

Once you've made a few gears of various sizes, you can link them together and experiment with the outcomes. Linking together gears can change the direction of the input as well as increase or decrease the speed of rotation.

Instructions

Final steps

You're almost there! Complete all the steps, bring your creation to life, post it, and conquer the challenge!

Post
Complete
DIYers Post Cover
Be the first to post
your achievement
Post

Frequently Asked Questions

Is DIY back?!

How do I reactivate my account?

How do I sign up?

Are the android and iOS apps coming back?

What is DIY?

What is a “Challenge” on DIY?

What is a “Course” on DIY?

What are “Skills” on DIY?

What if I'm new to all this—where do I begin?

Do I need special materials or equipment?

Is DIY safe for kids?

Can I collaborate with other DIYers on a project?

How do Mentors, Mods, and Jr. Mods help us?

What is DIY?

What's the recommended age for DIY?

Our Mission

To create a safe space for kid creators worldwide!

Download on AppStoreDownload on Google Play

2025, URSOR LIMITED. All rights reserved. DIY is in no way affiliated with Minecraft™, Mojang, Microsoft, Roblox™ or YouTube. LEGO® is a trademark of the LEGO® Group which does not sponsor, endorse or authorize this website or event. Made with love in San Francisco.