Let us introduce you to Make It Mine Parties, the online supplier of personalized party supplies — from party hats and goodie bags to garlands and cupcake kits — that turns an average cake-and-balloon gathering into a mind-blowing how-does-she-do-it-all celebration.

Available online at makeitmineparties.com, $4-$289.

Teach kids the joy of giving back with a Milk + Bookies birthday party. Littles decorate books with bookmarks, bookplates, and more. Then their handiwork is donated to less fortunate children.

Available online at milkandbookies.org. Directions and invitation download, free. Complete kit, $15-$300.

Make a good first impression with a 100 percent recycled, personalized Paper Culture invite.

Available online at paperculture.com, $1.50 and up.

Fly in an Ice Cream Social in a Box from L.A.’s finest, Dandy Don’s. (We’ve tasted it, and it’s well worth the shipping.)

Available online at dandydons.com, $149.

Hit it out of the park with a Birchangel pinata. Pick from the designs on the site or create your own.

Available at etsy.com, $34-$72.

When you have young children, there’s always an excuse to celebrate. Get extra mileage out of the mother of all milestones with Half Birthday Party Kits, complete with paper tableware and shiny balloons, to announce that your little reveler has hit the midway mark.

Available online at halfbirthdayparties.com, $3-$15.

Brooklyn-based design firm Melangérie will conceptualize everything for your party — from invites to favors to customized juice box wrappers — and email you a PDF formatted for eight-and-a-half-by-eleven paper. All you have to do is cut and paste.

Available online at etsy.com, $12.

GreenPartyGoods’s planet-friendly housewares and toys are as green as they come. We’re talking hard-to-find eco-conscious tableware made of sugarcane, corn, or bamboo (ideal for picnics); recycled and vegetable-dyed toys; beeswax birthday candles; biodegradable streamers; and tablecloths made from recycled material fabricated in a solar-powered plant in Germany — all from a mere $2.

Available at greenpartygoods.com, $2-$150.

Waste not, want it all? Get it with Green Planet Parties’ decorations in a bag. The hand-sewn, made-to-order, ecofriendly decorations include a Happy Birthday banner, table runner, and ten reusable goodie bags. Or save time with premade loot bags.

Echoage party planning service shows youngsters how to value social responsibility and environmental awareness while still having a blast. Just choose an invitation, let kidlet pick a cause, and email the invites to your guests. An R.S.V.P. tracker tallies responses and contributions (instead of presents).

Available at echoage.com, $16-$60.

It’s a bird! It’s a plane! It’s Gift Hero! The site makes buying presents a cinch. Search by age, gender, and price. Gifts come wrapped in ecofriendly drawstring bags.

Available at gifthero.com, $10-$45.

Next time, skip the cartoon celeb showcase in favor of Tin Parade Vintage Party Goods. The company specializes in party kits with a homemade vibe little guests are sure to tune into. Choose from old-timey themes like Ruby’s Tea Party, Oscar’s Baseball Party, and Jax’s Train Party (hobo stick goodie bags included).

Available at tinparade.com, $245-$490.

Baking goddess Clare Crespo dreamed up an oh-so-adorable project just for DailyCandy Kids: Flutterby Cupcakes. Follow our step-by-step instructions for these festive treats.

Make sure your munchkin’s big day is a blowout. Send custom invitations by Letterspace, known for colorful balloon and circus tent motifs.

Available at letterspacepaper.com, $14.

Looking for neat-o party favors? Brooklyn-based Studio Bento’s collection of one-inch pins comes in sets of seven and is perfect for accessorizing backpacks, jean jackets, and goodie bags.

Available at studio-bento.com, $5-$7.