Build your own super secure money safe with this fun 4M science kit, it's protected by a security alarm and has a combination lock plus a key lock! It's a double-protected safe for you money, valuables, and top secret stuff! Your future scientist will build it and connect a buzz-alarm circuit and a simple dial lock. No spy or burglar could retrieve the contents inside without the key and pin number. This is a super cool spy science kit!
1 "AA" Battery required but not included