4M Kidz Labs® Spy Science Combination Lock

Record your voice then twist it, warp it, speed it up or slow it down! Disguise your voice to pass a secret message or record other sounds for fun playback. Fitting neatly in the palm of your hand, the Voice...

Build your own robotic human hand and amaze your friends with its realistic gripping movements. Robotic hand will grab your imagination!   Features: Construction kit for building a robot that turns around and flips over when it reaches a wall,...

Learn the science of connecting a circuit and build your very own kick wire door alarm. Install it in your bedroom and stop those "unwanted intruders". Comes with a cyber-look transparent casing, it is a cool spy gadget.   WARNING:...

You can build your own double-protected money safe by connecting a buzz alarm circuit and a simple dial lock. Store your pocket money or top secrets inside. No spy or burglar could retrieve the contents inside without the key and...