Watch the Mechanical Keyboard Chain Toy glow and click through different switch types. Experience firsthand how its LED backlight and tactile feedback enhance your fidgeting and testing sessions.

See It in Action
Switch Testing Reimagined
Individual results may vary based on usage and switch types.
All-in-One Switch Tester
• Test linear, tactile, clicky MX switches • Integrated LED for visibility • Durable ABS build with metal keyring
Customer Moments
Join the Fidget Revolution
Step up your fidget game and showcase your switch style. Don’t miss out on portable switch testing fun!
Frequently Asked Questions
The keychain tester is compatible with all standard MX-style mechanical switches, including linear, tactile, and clicky types.
Simply pull off the existing keycaps and snap on new ones—no tools required for quick customization.
The built-in LED is powered by a replaceable coin cell battery, easily accessible through the bottom panel.
Yes! We offer a 30-day return policy for items in original condition. Contact support to initiate a return.
Absolutely. Its compact design and lightweight build make it perfect for on-the-go testing and fidgeting anywhere.





