A cozy, spooky visual timer for your classroom. Here's all you need to know.
Name the activity.Click the title at the top and type, like "Table Talk" or "Clean Up."
Pick a time.Tap a preset or Custom. Use −1 and +1 min anytime, even while it's running.
Press Start, then go full screen.The corner button makes it fill your board.
What students will see: the potion rises and bubbles faster as time runs out. In the last 10 seconds the cauldron rumbles. At zero it erupts and something climbs out. Choose a witch, zombie hand, ghost, bats, or a cozy cat in Settings.
Custom time
How long should this potion brew?
Settings
Volume
Bubbling sounds"Last minute" keeps it quiet while students work
One-minute warningA soft chime and a "1 minute left" message
Final countdown heartbeatA thump each second for the last 10
Rumble and flashCauldron shakes near the end and bursts at zero
Lite modeFewer bubbles for older devices. Turns on by itself if things get choppy.
What climbs out at zero
Space start or pause R reset ↑↓ add or remove a minute F full screen