Someone hid the star snacks aboard Starlight Station — and every clue is cracked with math. Pick your grade and start solving right now: no account, nothing to install, works on any school computer.
Back-to-school special: everything is FREE until August 31 — every case at every grade, 35+ in all, with a free account. No card needed. For parents & teachers: unlock every case at every grade — Family $29/yr · Classroom $49/yr, per-standard Common Core progress tracking included.
🎉 Claim free access →⭐ Unlock everything →Five more worlds are waiting at Number Cadets, each at every grade K–5 — with badges that save, ranks to climb, and progress tracking for grown-ups:
The villain locked the stolen case files behind a four-layer vault — beat the laser grid, gold scales, gear works and trip-wires to unmask the thief.
The Grand Library's most treasured book vanished when someone secretly retyped its catalog card. Trace it and unmask the book-napper.
The Golden Teddy — the carnival's famous grand prize — vanished the night before the big show. Follow the midway clues.
A chest of gold was sworn to be split into fair, equal shares — but one pirate helped themselves. Weigh, divide, and catch them.
The prize-winning Golden Sunflower vanished the night before the Bloom Festival. Plant, count, and track down the bandit.
Every mystery here is the free taster of Number Cadets — the full academy has 35+ cases, badges that save, and ranks to climb.