Meet the Pulsar: colorful LED pixels you can control from your computer or mobile device. You get a rechargeable battery, a tiny microcontroller with Bluetooth, and a real-time lock. There are also 24 multi-colored LEDs. The Pulsar can be used for all kinds of fun wearables projects.
The device has free apps. You can upload unlimited patterns and animations. You can support the project on Kickstarter.