One Big Circle
Every analog clock starts as one big circle called the face. Twelve numbers stand in a perfect circle from 1 all the way to 12!
The Three Hands
Tap a hand in the specimen display case below to isolate it on the clock and learn its job!
Tap a hand below to make it light up on the clock!
Hour Hand
Short & Thick
Moves SlowestMinute Hand
Long & Thin
Medium SpeedSecond Hand
Thinnest & Longest
Moves FastestWho Moves the Fastest?
Let's speed up time into hyper-drive! Watch how fast the pink second hand zooms while the hour hand slowly moves.
Clock Builder Workshop
Can you assemble a clock step-by-step? Click the correct part in order to build our master clock!
Clock Anatomy Challenge
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Lesson 1 Mastered!
Sensational job, Time Explorer! You know the face, numbers, hour hand, minute hand, and second hand!