Better Nerf Gun
Build a metal foam-dart gun that blows away store-bought plastic models.
From MAKE:
29: DIY Superhuman page 112
Gravity Catapult
Get medieval with this portable, stowable, gravity-powered trebuchet.
From MAKE:
28: Toys and Games page 84
Limelight
Experience pre-Edison incandescent lighting.
From MAKE:
27: Robots page 104
The Luna Mod
Simple, addictive sound effects looper.
From MAKE:
26: Karts and Wheels page 80
Squelette, the Bare-Bones Amplifier
Squelette is a see-through amplifier that sounds ridiculously good while showing off your soldering (it looks nothing like a typical audio product).
From MAKE:
23: Gadgets page 70
Hydrogen-Oxygen Bottle Rocket
Use electricity to split tap water into hydrogen and oxygen gases, then use this explosive gas mixture to power a two-stage, electronically timed rocket.
From MAKE:
20: For Kids of All Ages page 90
Speed Vest
Make a lightweight night-cycling vest that displays your current speed in
glowing, 7-inch-tall numbers easily visible to cars.
From MAKE:
19: Robots page 100
The Garduino Garden Controller
Geeked-out gardening: use a microcontroller and simple sensors to give plants exactly the water and light they need.
From MAKE:
18: ReMake America page 90
Art Work
Using algorithms to create art might produce unexpected and marvelous results.
In
Art Work
from MAKE:
13: Magic page 30
R-Tronic Toy Music Sequencer
Build a simple sequencer that lets babies play with shapes, sounds, and lights, or teaches older kids the basics of electronic music. You'll have lots of fun with it yourself!
From MAKE:
13: Magic page 124
Super Tritone Shop Whistle
This jazzy, compressed-air-powered whistle sounds a mighty blast.
From MAKE:
12: Upload page 88
Spin The Birdie
Get awesome avian photos by moving your camera closer to the birds -- and rotating them for the perfect pose.
From MAKE:
11: Alt Vehicles page 116
The Brain Machine
Get altered states of consciousness with this microcontroller-driven sound and light device.
From MAKE:
10: Home Electronics page 88