512GB internal storage isn't the largest on the market but should do fine for most people. A phone well suited for your kids, or yourself if you need an extra phone.
ASUS Zenfone 11 Ultra, UK Official, Eternal Black, 16GB RAM 512GB Storage, Snapdragon 8 Gen 3, 6.78 Inch AMOLED 144Hz, 50MP Gimbal Camera
Conrad Electronic
Asus Zenfone 11 Ultra 5G smartphone 512 GB 17.2 cm (6.78 inch) Black Android™ 14 Dual SIM
Custom PC IE
ASUS Zenfone 11 Ultra 512GB 16RAM 5G black