Brand: SmartGames Model: Quadrillion (Click & Play) Players: 1 player Age Range: 7–99 Material: Plastic magnetic grids & pieces Key Feature: Modular magnetic board, multiple challenge layouts SmartGames Quadrillion is a single‑player magnetic logic puzzle designed to challenge spatial reasoning and problem‑solving skills. The game uses four magnetic grid boards that can be arranged in countless combinations, creating a new puzzle every time. The aim is to fit all the colourful puzzle pieces onto the board while avoiding blocked spaces. Highly regarded as a solo brain‑training game, Quadrillion is suitable for children aged 7+ and adults, making it ideal for quiet play, travel, or cognitive skill development. Included: Magnetic puzzle boards Colourful puzzle pieces Original retail box (as shown) Condition: Item appears complete and well‑kept Box shows light handling wear consistent with storage (see photos) No visible damage to pieces Please review all photos carefully as they form part of the description.