Print a giant wall bracket the kids fill in by hand โ and host an interactive hub the whole family pokes at on the TV. Free, open, no sign-up.
Tip: open the Hub on the living-room TV; scan its QR or share the link to play along on phones.
Eight tabs, touch- & remote-friendly, works offline once set up. Try it above.
Open, then hit Print / Save PDF. Each has a โฌ Black & white ink-saver mode for any printer.
The Hub is plain static files โ drop the worldcup/ folder on any web server (a Raspberry Pi, an old laptop, anything), or run make-offline.sh for a zero-internet build. Full instructions are in the README.