CRF 10th Anniversary Lottery
By registering before May 11th, 23:59, and attending the CRF 2025, you will be directly eligible for a lottery to win the prizes below:
JBL Charge 5
The JBL Charge 5 delivers powerful sound and deep bass wherever you go. With 14 hours of playtime, waterproof design, and a built-in power bank, it’s the ultimate speaker for parties, adventures, and everything in between.
Spintronics Act One by Upper Story
Step into the world of mechanical electronics! Spintronics Act One is a hands-on kit where you build circuits using spinning parts—no batteries, just pure motion and ingenuity. Perfect for curious minds who love puzzles, physics, and tinkering. Start your spin-powered adventure and see electricity in a whole new light!
Turing Tumble by Upper Story
Build a computer with marbles! Turing Tumble is an award-winning logic game where you create mechanical computers that solve puzzles, one marble at a time. It’s fun, clever, and surprisingly addictive—perfect for curious minds of all ages. Let the marbles roll and the thinking begin!
