10/7 - 10/21: Cardboard Speed Challenge
10/7 - 12/2: First Time Author Contest
10/7 - 11/4: Candy Challenge
10/7 - 12/2: Multi-Discipline Contest
10/7 - 12/2: Robotics Contest
9/5 - 12/2: Teacher Notes Challenge
9/2 - 11/11: Halloween Contest 2019
9/2 - 10/28: Skateboard Contest
9/2 - 10/28: CNC Contest
9/2 - 9/30: Kitchen Skills Challenge
9/2 - 9/30: Art Skills Challenge
9/2 - 10/28: Make it Move
9/2 - 10/28: Teacher Contest
9/2 - 9/30: Maps Challenge
8/5 - 9/30: Indoor Lighting Contest
8/5 - 9/2: Spicy Challenge
8/5 - 9/30: Metal Contest
8/5 - 9/2: Make It Fly Challenge
8/5 - 9/16: Classroom Organization Challenge
7/1 - 7/29: Paint Challenge
7/1 - 8/26: Stone Concrete and Cement Contest
7/1 - 7/29: Sew Tough Challenge
7/1 - 7/29: Planter Challenge
7/1 - 8/26: DIY Summer Camp Contest
7/1 - 8/26: Games Contest
7/1 - 7/29: Barbecue Challenge
6/14 - 2/3: Growing Beyond Earth Maker Contest
6/3 - 7/8: Pets Challenge
6/3 - 7/29: Sensors Contest
6/3 - 7/8: Frozen Treats Challenge
6/3 - 7/8: 1 Hour Challenge
6/3 - 7/29: Beauty Tips Contest
6/3 - 7/29: Backyard Contest
5/6 - 7/29: Classroom Science Contest
5/6 - 6/3: Party Challenge
5/6 - 7/8: Colors of the Rainbow Contest
5/6 - 6/3: IoT Challenge
5/6 - 7/8: Fandom Contest
4/1 - 5/27: Gardening Contest
4/1 - 4/29: Jewelry Challenge
4/1 - 4/29: Fat Challenge
4/1 - 5/27: Arduino Contest 2019
4/1 - 5/27: Woodworking Contest
4/1 - 4/29: Leather Challenge
3/4 - 4/30: Tape Contest
3/4 - 4/29: Pocket Sized Contest
3/4 - 4/29: Pie Contest
3/4 - 4/1: Weaving Challenge
3/4 - 4/29: Trash to Treasure
2/4 - 4/1: Organization Contest
2/4 - 3/4: Sweet Treats Challenge
2/4 - 4/1: Paper Contest
2/4 - 4/1: Build a Tool Contest
2/4 - 4/1: Remix Contest
1/7 - 2/4: Safe and Secure Challenge
1/7 - 2/4: Comfort Food Challenge
1/7 - 2/4: Cardboard Challenge
1/7 - 3/4: Faux-Real Contest
1/7 - 3/4: Warm and Fuzzy Contest
1/7 - 4/1: Epilog X Contest
12/3 - 1/28: PCB Contest
12/3 - 1/7: Holiday Decor
12/3 - 1/28: Toys Contest
12/3 - 1/7: Baking Challenge
11/12 - 1/7: Make it Glow Contest 2018
11/12 - 1/7: First Time Author
11/12 - 1/7: Big and Small Contest
11/12 - 12/10: Puzzle Challenge
10/1 - 10/29: Side Dishes Challenge
10/1 - 10/29: Electronics Tips & Tricks Challenge
10/1 - 11/26: Plastics Contest
10/1 - 11/26: Optics Contest
9/4 - 10/29: Audio Contest 2018
9/4 - 10/29: Furniture Contest 2018
9/4 - 11/12: Halloween Contest 2018
8/6 - 9/3: Organic Cooking Challenge
8/6 - 10/1: Metalworking Contest
8/5 - 10/1: Fix It! Contest
8/5 - 10/1: Tiny Home Contest
7/2 - 8/27: Water Contest
7/2 - 7/30: BBQ Showdown Challenge
7/2 - 7/30: Backpack Challenge
7/2 - 8/27: Creative Misuse Contest
7/2 - 8/27: Game Life Contest
5/28 - 6/25: Pets Challenge
5/28 - 6/25: Planter Challenge
5/28 - 7/30: Clocks Contest
5/28 - 7/30: Stick It! Contest
5/28 - 7/30: Oil Contest
5/1 - 5/28: Outdoor Fitness Challenge
5/1 - 6/25: Colors of the Rainbow Contest
5/1 - 5/28: Slow Cooker Challenge
5/1 - 6/25: Woodworking Contest
5/1 - 6/25: Casting Contest
5/1 - 5/28: Flowers Challenge
5/1 - 6/25: Make it Move Contest
3/5 - 4/30: Trash to Treasure