LPETTET/Getty Images Childrens’ spending habits in the UK have shifted to online games such as "Roblox" and "Fortnite" since lockdown began, away from sweets and books, a pocket money app has reported. Kids are also saving 14% more money than they did in 2019 — that’s £104 ($135) a year, RoosterMoney. Lego, Roblox, and Apple are the top three brands that children save up for, the study found. Visit Business Insider's homepage for more stories. Online video games "Fortnite" and "Roblox" have overtaken sweets and books as the main target of kids' pocket money spending in the UK, according to a pocket money app.A study by RoosterMoney of 24,000 kids in the UK aged between four and 14 had Roblox, a virtual gaming platform, in top spot, followed by Epic Games' "Fortnite," a battle-royale video game.Within these games, users can buy outfits and accessories to personalize virtual characters.