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Laser Cut This Slot-Together Raceway
Laser cut this slot-together raceway and for a fun, gravity-powered racing game.

Mold and Decorate Sugar Skulls for Dia de los Muertos
Anyone can make these sweet and easy sugar skulls with just a few ingredients and a little creative decorating.

Build a 240V Power Adapter for Your MIG Welder
CAUTION: This project is a non-weatherproof adapter box for 240V.

Collect and Display Weather Data with a Raspberry Pi
For years I’ve wanted to set up a weather station in my backyard, but I’ve balked at the cost of those expensive kits.

Save Space with a Collapsible Bike Trailer
This roomy bike trailer folds flat so it stows anywhere!

Pitch Wiffle Balls with a Leaf Blower and PVC
Put the world’s most obnoxious yard tool to batter use!

Make an LED Candle You Can Blow Out
Use a wind sensor and an Arduino to blow out an LED candle.

Punk Those Trick-or-Treaters with a 3D Radar Booby Trap
This Trick-or-Treater Tracker can look right through your front door, track the costumed kids approaching your home, and then automatically accost them with different scary sounds and customized messages.

Craft Miniature Pallet Drink Coasters from Popsicle Sticks
Don't leave condensation rings on your furniture. Craft yourself a pallet coaster to do the heavy lifting for you!

Ferment Honey to Brew Your Own Mead
It’s easy to brew this ancient elixir from honey and yeast!

Design a Phenakistoscope for a Mesmerizing Spinning Optical Illusion
Phenakistoscopes are the cousins of zoetropes, and the great grandfather of animation... or so we think. Concept genealogy is more metaphor than science.

Fake Blood: When to Make vs. When to Buy
There's a lot of blood options out there, so find the one that works best for you.