Walkie talkies are *great* only if you get the kind with subchannels. There are many brands out there on the market now, and I think you can even get them for as little as $20/each. I would also recommend recharging them. Still - when you use them, agree on a channel, and a "backup" channel in case that one is occupied and a specific time you will check in. Also, have handles - it makes it fun. We have used them frequently and are often the only ones on the subchannel. I used to use one that didn't have subchannels - and I kid you not, this guy "hit" on me while I was looking for my dad. Oy.