This pen writes like normal, but the ink disappears when heat is applied and can be made to reappear when placed in the cold.
This invisible ink pen has a built-in UV light in the tip to see what you're writing and the invisible writings that you receive in return.
Shake up all your favorite legal cocktails in the modern age with a vintage-looking shaker inspired by 1920s barware from the Prohibition era - no secret password... More
A high-tech, smart door lock that prevents getting locked out, eliminates lost or stolen keys, stops lock-picking and even remembers to lock the door when you... More
Slip this industrial-quality, stainless steel lock/stopper into the opening of a wine bottle, set the 3-digit user-settable combination and your bottle is now... More
Never forget a password again! Keychain-sized Password Manager creates, stores, secures and automatically updates cryptographically strong passwords for you... More
This cool new keyless entry garage door opener uses a biometric fingerprint scanner to grant access for up to 10 authorized users.
Protect your data, passwords and web surfing with hardware-based encryption and military-grade security. It even self-destructs!!!
Biometric fingerprint technology allows you to open this cool safe based on your unique biometric print.