Веселая Затея is a Sochi-based online store specializing in party supplies, balloons, and festive décor. Its catalogue serves both individual celebrations and wholesale shoppers, with a broad selection of products for birthdays, holidays, events, and gift presentation. Balloon offerings include foil and latex styles, such as letters, numbers, figures, hearts, walking balloons, printed designs, and balloons for modelling or packaging. The store also sells helium in cylinders, compressors, pumps, balloon accessories, ribbons, weights, holders, and related equipment.

For party tables, customers can find invitations, napkins, candles, cake toppers, tablecloths, plates, cups, cutlery, and decorations. The range extends to banners, garlands, confetti, themed décor, and festive and carnival goods, including masks, hats, wigs, face paint, photo props, party poppers, and New Year items. Gift packaging is covered by bags, boxes, wrapping paper, ribbons, bows, and decorative filler. Веселая Затея provides online ordering and lists a store address on Constitution of the USSR Street in Sochi, along with email contact and information about payment, delivery, and product guarantees.