You purchase it at a store... like Walgreens, CVS, grocery stores, etc... (I noticed you were saying "boys" and "girls" so you really shouldn't be having sex yet... period).. Either party can use lubricant but it makes more sense for the man to put it on the condom once it is on...
During sexual intercourse at the point of orgasm, the wetness is vaginal lubricant.
An ideal place for girls to purchase a leotard would be from sports stores that cater for younger girls. There would be a gymnastics sections to purchase a leotard with different age sizes.
I could just as easily ask why guys get hard. It's for the same reason. Because they're horny. Girls get wet because it provides a natural lubricant for sex.
You can purchase coats for girls online from stores such as Old Navy. Alternatively, these coats can also be purchased from retailers such as Overstock and Amazon.
To purchase formal girls dresses you can try David's Bridal who has gowns for as little as $39.00. You can also try promgirl website, they have beautiful girls formal wear and cheap shipping.
One can purchase girls wool coats at local retailers such as Walmart, Target, Sears, AAFES, and the NEX. One can also purchase online at sites such as Amazon or eBay.
yes
It is possible to purchase skirts for girls from any clothing retailers which specialize in girl's clothing such as New Look, Primark and also Topshop.
There are multiple outlets for purchasing dresses for girls. Most consumers would use the internet to purchase a dress with specifications however the high street shops give the additional benefit of trying the product before purchasing it.
You can purchase dress coats for girls online from stores such as The Burlington Coat Factory. Alternatively, you can also purchase these coats from retailers such as Amazon.
17 for girls and 18 for boys.
You can purchase Legos for girls online at the Lego website. They have many different Lego sets for girls, such as the My First Lego Princess Set, The Summer Scene Set and the Poodles Little Palace, just to name a few.