SpyX DIY Motion Alarm Steel Toe The reusable colored pieces stick

The reusable colored pieces stick to any glossy surface—and each other—over and over again

the Ball Bearing Lock's strength withstands hard work with a secure

Trigger features Anti-Dry Fire safety technology

Everything connects in Hot Wheels City and other Hot Wheels tracks and play sets (sold separately)

Two Authentic Western Spade Shape Snap Flap Pockets

SpyX DIY Motion Alarm Steel Toe The reusable colored pieces stickUnique Spy Toy Set For kids Teens: The SpyX DIY kit shows the science behind the spy gadgets. A cool scientific toy that you can build your own spy motion detector device and it really works! Train yourself the smartest secret agent! Science Alarm toy Device Building Kit: The DIY spy kit includes a motion sensor, a battery module, a volume knob, a motion module, an on off switch, and a speaker. Adjust the motion sensor toward the direction of where