Hot Hobbies & Toys How-Tos

How To: Make a balloon bird

Michael is here again to show us how to create another balloon animal: the bird! This guy knows his stuff, so pay attention and you'll be making a balloon flock in no time. This particular balloon bird looks more like a parrot, so you can also sit it on your shoulder.

RoboDoc: A Kid-Friendly DIY Robot That Makes Doctor Visits a Little Less Scary

Remember going to the doctor when you were a kid? If the word 'traumatizing' comes to mind, you'll love the RoboDoc by MarkusB, a robotic doctor that makes checkups a little less scary (and a lot more fun) for kids. It all started when Markus took his 14-month-old daughter for a checkup. The finger clip that the doctor used to check her pulse terrified her, so Markus decided to build a heartbeat monitor just for kids that's much more likely to make them laugh than cry.

How To: NASA Engineer Shows You How to Build a Mini Curiosity Mars Rover Out of LEGOs

You might have seen our post on this last week: It's a working reproduction of the Mars Curiosity Rover made with LEGOs, but it's a bit complicated for anyone without a decent amount of robotics knowledge. Plus, you need to have some Mindstorms NXT and TECHNIC parts lying around. If you want something a little simpler than programming a working LEGO rover, you could always build a scaled model of the MSL out of regular LEGOs. Not only is this easy to build and looks great, but the step-by-ste...

How To: Make a Banner for a Lightweight RC Plane

I decided to make a quick banner for my RC plane. It was basically free, but you might need to get a few materials if you don't have them. My plane is a Hobbyzone Champ, which is a hardy but tiny plane, weighing only 1.3 ounces with the battery. My how-to is modeled after this, which is intended for the Super Cub. It is the bigger version of the Champ, weighing a total of 25.2 ounces, which is more than 18 times the weight of Champ. As you can see, I was faced with a problem. How was I going ...

How To: Make a catapult out of office supplies

Looking for something fun to do with all those office supplies you've been stealing from work? Or maybe you just want to goof around in your cubicle? It's possible that you are an honest, dedicated, hard worker, but whatever the case may be- no judgement, just a video guide to making an office supply catapult.

How To: Turn a Finger Board into a Mini Snowboard

Unscrew the trucks from the bottom of your board.On the deck of your fingerboard you will see two groups of screws. These screws attach the trucks to the board. To unscrew the screws use a mini screw and wrench used to change trucks and wheels on finger boards.Unbolt.The trucks consists of two parts - one is the part that holds the wheels, and the other connects the trucks to the board. The only thing connecting the two is a tiny bolt. Unscrew the tiny bolt and the pieces should fall apart. Y...

How To: Make a homemade stirling engine

Are you looking to build a cool home science experiement? Why not try out a Stirling engine? Wait, what IS a stirling engine? Well... a Stirling engine is a heat engine operating by cyclic compression and expansion of air or other gas, the working fluid, at different temperature levels such that there is a net conversion of heat energy to mechanical work. This project was made from parts around the house and you should be able to do the same. This is a great project to explain how gears work,...

How To: Create a custom checkered gun stock

Want to add a personalized touch to your favorite gun? Looking for some ways to dress up the stock on a new rifle? Checkering a gun stock is a way to add a little unique twist to your favorite rifle or gun. It is not an exceptionally hard technique to master, and you only need a few basic tools to do it. This tutorial from Midway USA shows you how to create a custom checkered gunstock for any wooden stock.

How To: Make a flying helicopter out of office supplies

Bored in your cubicle all day? It's time for helicopter wars! This video shows you how to make a fun and simple helicopter out of some basic office supplies. The materials you will need are: a big paper clip, a smaller paper clip, a large aluminum can (such as from Rockstar or Monster energy drinks), a ruler, Scotch tape, a rubber band, a pair of pliers (if you have a Leatherman multitool, those will work just fine), a pen you can take apart for the long tube, a pair of scissors, and some pla...

How To: Make a helicopter powered by rubber bands

This is a great little rainy day project you can make for almost no money, or a fun party trick you can use at the next office Christmas party! You will need two disposable drinking cups (stiff plastic or paper will work best), a fairly thick straw, a sturdy paper clip, a thick rubber band, a cocktail stick, a bead and a plastic ring you can get from the neck of a soda bottle. Assemble as shown, and then let it go!

How To: Use the correct tires for the temperature and improve RC performance

Optimize vehicle performance by knowing the differences between the different tires available for your RC vehicle. Each type of tire (commonly referred to by the red dot, blue dot or green dot) is optimized for a specific operating temperature range. Knowing about the different temperatures and what tires are best suited for them could be the difference between first place and second. Find out more in this instructional video.

How To: Solve the Rubik's Cube intuitively without algorithms

Check out this three-part video tutorial on how to solve the Rubik's Cube intuitively and without algorithms. With this method there is no need to memorize complicated algorithms. Crack the Cube with sheer brain power, if you can. No one said you had to be a genius to solve a Rubiks Cube, you just have to have a little common sense and patience.