Re-Render This RC Truck, Win $300 From Lagoa Render Wars!

Where will you take their RC truck?Web-based 3D rendering platform Lagoa, Mega Bloks and GrabCad have teamed up to test how creative designers and innovators will reimagine their fancy 3D model of a remote controlled toy truck. They’re looking to hand out cash and great prizes to their favorite designs, so let your imagination go wild!

Innovate Transporting Party Food, Win Great Kitchen Swag From Instructables Potluck Contest!

How WILL you haul those lemon pies?!When bringing food to a party, you’re worried about it tipping over in the car, getting too cold, melting or otherwise morphing into a gross-looking glob before you get there. If you’re perfected transporting casseroles, pies and other snacks, enter the Potluck Contest to win some sweet swag!

Design 3D Printed Gear-Powered Project, Win $10,000!

What gear-based device will you print?GabCAD is excited to present the “Gears of Innovation” competition, where engineers, designers and inventors are challenged to create a 3D printed design that incorporates three or more functioning gears. You’re free to let your creativity wander from there, and it may just land you the $10,000 1st Place prize!

Share What’s In You’re Working On, Win Mega Tool Set Via Instructables Workshop Contest!

What's in YOUR workshop?This might just be Instructables most open ended contest to date, but if you’re tinkering with something brilliant, and you can share how others can make their own version of it, you could win a huge supply of high end tools from Hand-Eye Supply for sharing!

Cleverest New Product Ideas – Winners Of Walmart’s Get On The Shelf Contest!

You'll be able to buy both winners at Walmart soon!It’s been a long time coming, but Walmart finally picked a pair of their favorite new products as the grand prize winners for their “Get on the Shelf” contest. It won’t be too long before you’ll be able to pick up a set of SKRIBS Customizable Wristbands and the Elvis Presley Home Bedding Collection for yourself!

Make The Manliest DIY Invention Ever For Instructables “Manly Craft Contest”

Will you make the manliest DIY project ever?Do you have an idea for a DIY project suitable for Chuck Norris, Han Solo or Captain America? Then you’ll want to share it with Instructables and Civilware for a chance to win some ultra-manly prizes from the Manly Craft Contest!

Introducing Microsoft’s “The Prime Challenge” – A Challenge To Find The Lost Primes!

WIll you discover the lost primes?It’s up to you, the dedicated math geek, to help Microsoft to discover the “lost primes!” While people have searched tirelessly to discover the largest prime numbers possible, untold amounts of perfectly prime numbers are waiting to be found with the aid of cloud computing!

Win A Professional Gardening Kit From Instructables “Hydroponics and Indoor Gardening Contest”

Will your hydroponic design win the grand prize?It’s nearly time to put away your spade and watering can, and let nature reclaim your garden for the Winter season. But with the science of hydroponics and other indoor gardening techniques, your green thumb can shine all year. Share your best indoor gardening techniques, and you could win a nice prize pack!

Win A Galaxy Nexus Tablet & Much More In The Instructables Holiday Contest!

Make an awesome present, win a ton of cool stuff!Instructables is hoping to award 18 creative inventors with a slew of awesome prizes for demonstrating how to build the greatest Christmas, Hanukkah and Kwanza gifts of all time. Show off your special holiday themed gifts, décor and snacks for a chance to win 2 second visit from Santa!