Bob Knetzger
Bob is a designer/inventor/musician whose award-winning toys have been featured on The Tonight Show, Nightline, and Good Morning America.Author of these Magazine Articles
The Titan of Toy Invention
Marvin Glass was the man behind Mouse Trap, Operation, Lite-Brite, Rock Em Sock Em Robots, and dozens of other iconic toys and games.
In
Features
from MAKE:
32: Design for Makers page 40
Industrial Design for Makers
How to make your project better through intelligent design.
In
Features
from MAKE:
32: Design for Makers page 44
Hack in a Hat
A fun game-in-a-hat!
In
Toy Inventor's Notebook
from MAKE:
32: Design for Makers page 176
Breadboard Bots
Sugru is an amazing material that is great for making posable electronic robots.
In
Toy Inventor's Notebook
from MAKE:
31: Punk Science page 172
Talking Booby Trap
Villains snooping in your room? Snatching your secret stuff? Catch them red-handed with this easy gizmo. When it's disturbed, the intruder will get a surprise talking-to.
In
Pranks
from MAKE:
schoolsout: School's Out page 63
Yakitori Grill
Get cookin' with this Japanese-style skewer grill.
From MAKE:
30: Smarter Homes page 108
Good Vibrations: Groovy Mechanical Sound Players
A look back at the all-mechanical marvels that made fun sounds for over 100 years.
In
Maker
from MAKE:
29: DIY Superhuman page 36
Root Beer Pong Bot
Heres a noninvasive hack that takes advantage of ReCon 6.0 Programmable Rovers cool features while adding a fun new function to make a Root Beer Pong Bot.
In
Toy Inventor's Notebook
from MAKE:
29: DIY Superhuman page 161
Science in Your Cereal Bowl!
These famous cereal premiums were tiny but packed with mighty scientific principles!
In
Maker
from MAKE:
28: Toys and Games page 38
Mastering 3D Views
William Gruber put the magic of stereoscopic photos in our hands.
From MAKE:
28: Toys and Games page 58
"Level Best" 3D Camera Slide-Bar Hack
You can make a DIY camera slide bar fast and cheap thatll work just as well as a professional one.
In
Toy Inventor's Notebook
from MAKE:
28: Toys and Games page 155
Make a Diving SpudMarine!
Here's a fun and fast way to create a homemade version of the classic cereal premium toy, the baking powder-powered diving submarine.
In
Toy Inventor's Notebook
from MAKE:
26: Karts and Wheels page 164
Things of Science
Miniature monthly science surprises!
In
Maker
from MAKE:
25: Microcontrollers and Arduino page 36
Amazing Maker Marble Maze
In
Toy Inventor's Notebook
from MAKE:
25: Microcontrollers and Arduino page 164
Steamy Honeymoon Goggles
Balloon-Dispensing Steampunk Honeymoon Night Vision Goggles!
In
Toy Inventor's Notebook
from MAKE:
24: Space page 151
Guitar Amp Bulletin Board
Use a piece of vintage speaker cloth to make a mini "guitar amp" bulletin board.
In
Toy Inventor's Notebook
from MAKE:
23: Gadgets page 147
Productive Plastic Playthings
A look back at 1960s maker toys.
From MAKE:
20: For Kids of All Ages page 50
Talking Booby Trap
Surprise enemy spies with the sound of your own voice.
From MAKE:
16: Spy Tech page 60
5-Minute Foam Factory
Cut 3D shapes out of styrofoam.
From MAKE:
16: Spy Tech page 114
Kitchen Floor Vacuum Former
Download Sample PDF (excerpt)
Mold light, durable, and cool-looking 3D parts in your kitchen.
From MAKE:
11: Alt Vehicles page 106
Photographer for these Magazine Articles
Yakitori Grill
Get cookin' with this Japanese-style skewer grill.
From MAKE:
30: Smarter Homes page 108
Good Vibrations: Groovy Mechanical Sound Players
A look back at the all-mechanical marvels that made fun sounds for over 100 years.
In
Maker
from MAKE:
29: DIY Superhuman page 36
Science in Your Cereal Bowl!
These famous cereal premiums were tiny but packed with mighty scientific principles!
In
Maker
from MAKE:
28: Toys and Games page 38
Mastering 3D Views
William Gruber put the magic of stereoscopic photos in our hands.
From MAKE:
28: Toys and Games page 58
Things of Science
Miniature monthly science surprises!
In
Maker
from MAKE:
25: Microcontrollers and Arduino page 36
Talking Booby Trap
Surprise enemy spies with the sound of your own voice.
From MAKE:
16: Spy Tech page 60
5-Minute Foam Factory
Cut 3D shapes out of styrofoam.
From MAKE:
16: Spy Tech page 114
Kitchen Floor Vacuum Former
Download Sample PDF (excerpt)
Mold light, durable, and cool-looking 3D parts in your kitchen.
From MAKE:
11: Alt Vehicles page 106
Illustrator for these Magazine Articles
The Titan of Toy Invention
Marvin Glass was the man behind Mouse Trap, Operation, Lite-Brite, Rock Em Sock Em Robots, and dozens of other iconic toys and games.
In
Features
from MAKE:
32: Design for Makers page 40
Industrial Design for Makers
How to make your project better through intelligent design.
In
Features
from MAKE:
32: Design for Makers page 44
Hack in a Hat
A fun game-in-a-hat!
In
Toy Inventor's Notebook
from MAKE:
32: Design for Makers page 176
Breadboard Bots
Sugru is an amazing material that is great for making posable electronic robots.
In
Toy Inventor's Notebook
from MAKE:
31: Punk Science page 172
Root Beer Pong Bot
Heres a noninvasive hack that takes advantage of ReCon 6.0 Programmable Rovers cool features while adding a fun new function to make a Root Beer Pong Bot.
In
Toy Inventor's Notebook
from MAKE:
29: DIY Superhuman page 161
"Level Best" 3D Camera Slide-Bar Hack
You can make a DIY camera slide bar fast and cheap thatll work just as well as a professional one.
In
Toy Inventor's Notebook
from MAKE:
28: Toys and Games page 155
Make a Diving SpudMarine!
Here's a fun and fast way to create a homemade version of the classic cereal premium toy, the baking powder-powered diving submarine.
In
Toy Inventor's Notebook
from MAKE:
26: Karts and Wheels page 164
Amazing Maker Marble Maze
In
Toy Inventor's Notebook
from MAKE:
25: Microcontrollers and Arduino page 164
Guitar Amp Bulletin Board
Use a piece of vintage speaker cloth to make a mini "guitar amp" bulletin board.
In
Toy Inventor's Notebook
from MAKE:
23: Gadgets page 147
Talking Booby Trap
Surprise enemy spies with the sound of your own voice.
From MAKE:
16: Spy Tech page 60










