a countdown timer built for classrooms and projectors. no account. no video. just moo and sixty seconds of actual movement.
Big countdown, big character. Readable from the back of a classroom at any screen size.
Once the page loads, the timer runs with no internet. School WiFi problems don't stop a brain break.
Bookmark it. Open it. Press start. No sign-in, no email, no setup, no subscription required.
Supermoo is made by Reweave, a 501(c)(3) nonprofit. No advertising, no data collection, ever.
A brain break is a short, intentional pause from focused work, typically involving movement, stretching, or a change in activity. In classrooms, brain breaks are used to interrupt long periods of sitting and redirect student attention. They usually last between 1 and 5 minutes and require no equipment.
Brain breaks go by several names depending on where you teach. In US schools, they're commonly called brain breaks or movement breaks. In UK and Australian primary schools, you'll often hear "active breaks," "energizers," or simply "movement snacks." They're all the same idea: get students up, get blood moving, and come back ready to focus.
Common guidance is a brain break every 20 to 30 minutes for younger students in elementary and primary school (typically ages 5 to 11), and every 30 to 45 minutes for middle school or secondary students (ages 11 to 16). The right frequency depends on the task and the class energy on any given day.
A practical signal: when the room gets restless, that's when a break tends to be most useful. Most teachers who use them describe a short break as paying for itself in regained focus.
Younger students typically have shorter attention spans and higher energy, which makes movement breaks essential rather than optional. For grades K through 5 in the US, or Year 1 through Year 6 in the UK and Australia, a 1-minute break every 20 to 25 minutes is a reasonable starting point.
The best brain breaks for younger students are simple, physical, and a little silly. Jumping jacks, star jumps, pretend to swim, wiggle your hands, stomp your feet. The goal is not structured exercise but a brief reset that signals "okay, now we're doing something different." Moo is a friendly face that makes that transition feel like a moment, not a disruption.
Older students often resist activities that feel childish, so the framing matters as much as the activity. Calling it "a 2-minute reset" rather than "brain break time" sometimes lands better with secondary students. Standing stretches, shoulder rolls, deep breathing, or a brief walk around the classroom all count. The timer itself does some of the work: a visible countdown is neutral and a bit compelling. Students naturally start watching it.
A brain break doesn't need a curriculum. Some ideas that work well with this timer:
For more structured ideas, the move more guide has a full section on movement snacks that work equally well in office settings and classrooms.
Video-based tools like GoNoodle and YouTube playlists are popular for good reason: they provide the activity for you, which reduces planning time. But they have real tradeoffs. They require a stable internet connection, a YouTube-safe network, and students actually watching rather than moving. When the video stops, the break stops, regardless of how the class is feeling.
A simple timer shifts the agency to the teacher and the students. The teacher decides the activity; the timer just keeps track. Students can do anything. The WiFi doesn't matter. And a visible countdown gives students something to anchor to, which many teachers find lands well even in reluctant classes.
This timer works on any device with a modern browser. Chromebooks are the most common setup in US and Canadian public schools. iPads are common in Australian and UK primary schools. The fullscreen button makes the timer fill your screen for projector or smartboard use. On most browsers, pressing F11 on a PC or keyboard shortcut also works.
Once the page loads, everything runs locally. There is no streaming, no video, and no network dependency. Bookmark it for offline use on tablets if your school manages Chromebooks or iPads in kiosk mode.
40 brain break ideas · Supermoo for classrooms · indoor recess ideas · brain breaks for kids with ADHD · movement breaks at home · back-to-school movement · screen time and movement · wind-down for evening · choosing a brain break tool · moo for teachers · movement snacks explained · the 20-20-20 rule