LAB TIMEClassroom reaction timer

A COUNTDOWN WITH STAGES

Chemistry Lab Timer.

Watch a colorful reaction travel through the lab. Every vessel marks a new stage—and the final column erupts right on zero.

Set a time and start. The liquid moves through five stages. Complete the timer to earn Lab Points and build your streak.

LAB POINTS0
REACTION STREAK×00 completed timers

LIVE EXPERIMENT

Countdown timer

Ready for the experiment

01:00
Animated chemistry laboratory timer Colorful liquid travels through five laboratory vessels as the countdown progresses, ending with a playful foam reaction. FIZZ!
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Experiment log

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FIZZ! Reaction complete

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