Every cosplay needs the perfect prop. Complete your look with a glowing crystal staff that reacts to you as you hold it, tilt it, spin it and swing it. The Circuit Playground Express gives you so many options for triggering your custom light effects.

You've got your Pybadge up and running and are styling at the convention. Set yourself apart from the masses by hanging it from a custom LED lanyard. Use CircuitPython to remotely change colors on your lanyard. Make one for all your friends and use them as a signaling device!

Festival season can sneak up on you. Get started on your project today! This guide will give tips on how to light up your bike and get it ready for the harshest outdoor conditions, so you can ride around at night and shine all week long, without worrying about repairs on-site.

Add black light UV NeoPixels to the underside of a parasol and carry your own personal spotlight of fluorescence with you everywhere you go. Enhance your raver outfit and let the world see you shining like the magical creature you are.

Add a strand of fairy lights to a jeweled necklace and enhance your whole outfit with light! This is a very simple project that can work wonders for your Playa-bound outfits or festival wear, and it's classy enough to wear to that charity ball you've been meaning to throw.

Create a gorgeous sparkling crystal gem using iridescent cellophane. Use our downloadable pattern for an easy weekend project that's fun for all ages. Or, get fancy and create your own parametric gem design, and learn to convert it to a foldable paper template. This project is perfect for cosplay accessories or for decorating your room with light.

Use a Circuit Playground Express and MakeCode to create a fun umbrella that's reminiscent of Rose Quartz's shield from Steven Universe! This is an easy beginner project with no soldering required.

Create a papercraft dragon and bring it to life with NeoPixels. Give it whirling rainbow eyes, a fiery throat and animated glowing spines. Add a pulsing egg or treasure horde for your dragon to guard. A capacitive touch switch turns her on and off and a Circuit Playground Express gives you so many options for creativity.

Make a Steven Universe t-shirt and cosplay gem -- no soldering required! Wear the gem under your shirt and surprise everyone when it lights up and glitters whenever you get excited and shout.

Create your own bespoke glowing corset and smile to yourself as all the heads in the room turn to follow you. Line your perfect silhouette with 500 programmable lights that show you off like a fairy disco queen. What could be more alluring?

Use a Circuit Playground express, a water bottle and some cardboard to create a super fun wearable Steven Universe character gem. Tilt one way to color it like Amethyst, another way to color it like Pearl. Shake the gem and the two colors "fuse" to become Opal!

Add a NeoPixel Jewel and Gemma M0 to a fun, fancy fascinator hat. The batteries and electronics hide inside the feathers and flowers, creating a stunning costume topper that will make you stand out on every occasion.

Adorn your gams with a Gemma and a Hotsy-Totsy strand of blinkers. The fellas will turn their heads as you strut by like a Daisy in the Cat's Pajamas. A little sewing, a little soldering, and a spiffy bit of drag-and-drop coding and you'll be lousy with lookers. Savvy?

Build a controller box with NeoTrellis and a Feather M0 LoRa that allows you to control dozens of light strands in real time. No line-of-sight or pairing is required -- it just works, even in a crowded environment. Powered by Arduino and FastLED. Put on a light show, control multiple costumes, take it on tour!

Create an interactive circuit with copper tape and a Circuit Playground Express and use it to show someone special you care about them. Code with MakeCode to personalize the card for your special someone. Maybe next year she'll use her new Circuit Playground to make something amazing for you.