4M Kidz Labs® Spy Science Robotic Hand

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 this multi-purpose combination lock and learn the mechanism behind it! Choose your own secret code to ensure that only you can unlock your treasure. It's also a coin bank and secret message holder!   WARNING: Not for Children under...

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...