On the outside, it’s a LEGO-like universe, where you can immerse yourself in a virtual brick world. But as one Taft family found, this video game, targeted at kids, could be dangerous.

Blox Fruits is one of the most popular games on the Roblox platform. Inspired by the One Piece anime, the game lets you play as a pirate or marine. Once you pick your team, you will battle mobs, take ...