Army surplus is a very big deal online. You can find everything from kids' army gear to army vehicles such as humvees, trucks and even army jeeps for sale. An area that gets a lot of attention is kid's or adult army clothing. You can find great buys on new or used camouflage items at top army surplus via https://www.rddusa.com/.
If you are looking for a good army surplus sale that will have the best prices, I recommend you look into some of the bigger retailers. These places allow independent and smaller companies to have a large platform to display their items. What this means to you is a better selection at lower prices.
There is really no army surplus item that you cannot find. If you are interested in BDU's, clothing, gear, duffle bags, camo, tactical vests and even MRE's (Meals Ready to Eat), then you will find it on the World Wide Web.
If your children are into army clothing and gear, you can look online at one of the top retailers. You can find toys and army clothing at local department stores but they are usually cheap looking. What you find online are great prices and great selection and quality that will last for you.