Colors of the Rainbow Contest
193 Entries, 30 Prizes
Celebrate all of the colors of the rainbow!
Make a project that uses all OR just one of the colors of the rainbow (Red, Orange, Yellow, Green, Blue, and Purple) for a chance to win a Gift Card. Besides a grand prize winner, there will also be Judges' Prizes for the top winner for each color and one for rainbow.
Check out one of the the previous years to see what the other top contenders made:
2020 | 2019 | 2018 | 2016 | 2015 |
Color Smoke Bubble Machine (For Kids Safe Incense Smoke)
by jegatheesan.soundarapandian in Arduino
3048 Views
Matcha Green Tea Frog Marshmallows (beginner-friendly piped marshmallows)
by Ammelanoleuca in Candy
4695 Views
Natural Food Dyes - Blue Buttercream With Freeze Dried Blueberries
by regan_jane in Cupcakes
9496 Views
Epoxy Resin Screwdriver/Nut Driver from Silicone Mold Making to Casting Resin Parts
by danthemakerman in Molds & Casting
13181 Views
Experiment on Applying a Color Image to AISI 304 Stainless Steel With a Fiber Laser (Endurance 30 Watt Raycus + Sino-Galvo SG7110).
by Andrey_Fazilov in Lasers
1223 Views
Fun With 4-pin Common Anode RGB LED and XOR Logic Using ATtiny2313A in Assembly
by Santanu1310 in LEDs
995 Views
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