The internal storage can hold 32GB of data, so there's space for some images and videos. A phone well suited for your kids, or yourself if you need an extra phone.
From Amazon
ZTE Blade A31 Lite - Smartphone 32GB, 1GB RAM, Dual Sim, Grey
ShopBetter24
Smartphone ZTE Blade A31 Lite 1GB/32GB 5"
Shopaide
Smartphone ZTE Blade A31 Lite 1GB/32GB 5"