Big Festa is an online retailer offering toys, party supplies, costumes, and creative gifts for children and families. Its extensive toy selection includes building blocks and LEGO sets, dolls, action figures, cars and track sets, collectibles, sports and outdoor toys, pretend-play items, board games, puzzles, launchers, books, modeling clay, plush toys, and products for babies and toddlers. Shoppers can browse popular characters and themes such as Barbie, Mickey and Minnie, Stitch, Disney Princesses, superheroes, and the Avengers, alongside Funko Pop figures and other collectibles.

For celebrations, Big Festa sells balloons, metallic curtains, party favors, candles, disposable cups, plates, napkins, and cutlery, including ready-made party kits. Its costume and accessory range features hats, necklaces, tiaras, glasses, and artistic makeup. The store also offers creative gifts such as themed cups and bottles. Product listings include items from well-known brands such as Mattel, Hasbro, Estrela, and Candide, with selected products discounted and some purchases available in interest-free installments.