1/3 - 3/5: Furniture Challenge
12/26 - 2/13: Coffee Challenge
12/20 - 2/21: Toy Challenge 2
12/19 - 1/30: Sew Warm Challenge
12/12 - 1/16: Holiday Gifts Challenge
12/6 - 4/30: Arduino Challenge
12/4 - 2/27: The Teacher Contest
11/28 - 1/9: Cookies Challenge
11/28 - 2/27: ShopBot Challenge
11/21 - 11/21: Halloween Grand Prize Winners
11/8 - 11/7: Halloween Epic Costumes Contest
11/8 - 11/7: Halloween Easy Costumes Contest
11/8 - 11/7: Halloween Decorations Contest
11/8 - 11/7: Halloween Props Contest
11/8 - 11/7: Halloween Food Contest
11/8 - 11/7: Halloween Photo Instructable Contest
9/27 - 12/5: Hack It! Challenge
9/26 - 10/17: Halloween Photo Editing Challenge
9/19 - 11/21: Pocket-Sized Contest
9/12 - 10/17: Survival Skills Challenge
9/12 - 10/9: Share Your Space Challenge
9/6 - 10/17: Make It Stick Contest 2
8/22 - 10/3: Play With Your Food Challenge
8/15 - 11/14: 4th Epilog Challenge
8/8 - 9/5: Summer Camping Challenge
8/2 - 9/26: Clocks Challenge
8/1 - 9/19: Play with Clay Challenge
7/25 - 9/19: Camera & Photo Skills Challenge
7/18 - 9/12: Can It! Challenge
7/11 - 9/5: Green Living & Technology Challenge
7/11 - 9/5: Pets Challenge
7/5 - 7/31: Launch It! Challenge
7/4 - 7/31: USB Contest
6/27 - 8/1: Watersports Summer Challenge
6/27 - 8/22: Scanpan Family Recipes Challenge
6/20 - 8/8: DIY Wedding Challenge
6/20 - 7/31: 2nd Annual Krylon Summer Contest
6/20 - 8/7: Celestron Space Challenge
6/13 - 7/24: Fitness Challenge
6/13 - 7/17: Make It Move Challenge
6/8 - 7/4: Microcontroller Contest
6/6 - 7/4: Comic Contest
6/6 - 7/4: Toy Challenge
6/6 - 6/26: Chili Pepper Challenge
5/30 - 6/26: BBQ Contest
5/30 - 6/26: The Great Outdoors Duct Tape Contest
5/23 - 6/19: Paracord Contest
5/23 - 6/19: LED Contest
5/23 - 6/19: Cupcake Contest
5/17 - 6/12: Dremel Jewelry Contest
5/16 - 5/29: Smoothie Contest
5/16 - 7/3: Colors of the Rainbow Contest
5/16 - 6/26: Adafruit Make It Tweet Challenge
5/9 - 6/19: Are We There Yet? Challenge
5/9 - 6/12: BurdaStyle Fashion Challenge
5/2 - 5/15: Unusual Uses: Kitchen Challenge
5/2 - 5/29: Le Creuset Brunch Challenge
4/25 - 5/22: Share Your Garden Photo Contest
4/25 - 5/22: Chocolate Contest
4/25 - 5/22: Spring Bike Contest
4/18 - 5/15: Spring Cleaning Contest
4/18 - 5/1: Unusual Uses: Bathroom Challenge
4/11 - 5/8: Bacon Challenge
4/4 - 5/1: Egg-Bot Challenge
3/29 - 5/1: Nostalgia Electrics Ultimate Party Challenge
3/23 - 4/3: April Fools Contest
3/16 - 5/1: MakerBot Challenge
3/9 - 4/17: Wicked Lasers Contest
3/3 - 4/10: SINGER Quilting Contest
3/1 - 3/20: Serious Eats Pi Day Pie Contest
2/28 - 4/3: game.life challenge
2/23 - 4/24: I Made It Photo Contest
2/21 - 3/6: Keyboard vs. Mouse Speed Challenge
2/14 - 3/13: Candy Contest
2/10 - 3/20: 3rd Epilog Challenge
2/10 - 3/20: National Robotics Week Robot Contest
2/2 - 3/1: Share Your Space Challenge
2/2 - 2/13: Snow Contest 2
1/31 - 2/13: SodaStream Party Food Contest
1/25 - 2/27: Monster Contest
1/24 - 3/6: Lion Brand Yarn Build with Yarn Contest
1/17 - 1/30: Bread Contest
1/17 - 2/13: Microcontroller Contest
1/4 - 1/23: Homemade Soup Contest
11/29 - 12/12: Sugru Life Hacks Contest
11/15 - 12/19: Craftsman Tools Contest
11/15 - 12/19: Joby Transform It! Challenge
11/15 - 1/2: Krylon Holiday Decorations Contest
11/11 - 11/28: CHOW Thanksgiving Recipes Contest
11/8 - 11/7: Halloween Epic Costumes Challenge
11/8 - 11/7: Halloween Easy Costumes Challenge
11/8 - 11/7: Halloween Photos Challenge
11/8 - 11/7: Halloween Food Challenge
11/8 - 11/7: Halloween Props Challenge
11/8 - 11/7: Halloween Decorations Challenge
11/8 - 1/2: Epilog Challenge