walkie talkies
My kids got a pair of walkie talkies and boy, do they love these toys.

Spy Walkie Talkies™ by Wild Planet
With Spy Walkie Talkies™ you can stay in contact - every spy needs to talk to HQ! When the coast ISN'T clear, use the spy code key to send your partner secret coded messages! Set includes 2 walkie talkies with special spy code button for sending coded messages. Spy Walkie Talkies™ feature a safety antenna and belt clip. They've got a 50 foot range and even work through walls! Requires two (2) 9-volt batteries, sold separately. Ages: 6 + Manufacturer: Wild Planet
Walkie talkies come in all sorts of forms. As watches, visors or whatever you can think of.

Spy Walkie Talkies™ by Wild Planet
With Spy Walkie Talkies™ you can stay in contact - every spy needs to talk to HQ! When the coast ISN'T clear, use the spy code key to send your partner secret coded messages! Set includes 2 walkie talkies with special spy code button for sending coded messages. Spy Walkie Talkies™ feature a safety antenna and belt clip. They've got a 50 foot range and even work through walls! Requires two (2) 9-volt batteries, sold separately. Ages: 6 + Manufacturer: Wild Planet

Water Talkies Underwater Talking Toy by Wild Planet
Talk underwater without batteries or wires with these award winning Water Talkies. The specially designed mouthpiece projects your voice underwater up to 15 feet!Age: 5,6,7,8,9,10,11,12 Manufacturer: Wild Planet
Kids love playing secret with these. It has the super secret image that kids love. I don't know how to describe it in words. Seems to be a kid's thing.

