Keep your secret hiding places safe with this self-build alarm system.
 
Protect your items with a siren and warning light whilst learning about circuits and electronics.
 
Extra: The kit also turns into a Morse device to transmit important messages.
 
Simple step-by-step instructions explain the easy assembly and teach Morse code.
 
The Kosmos experiment box is a perfect gift for a children’s birthday party and a great way to protect their other presents!