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Bouncing Ball Count Test
Mode
Count All Balls
Count Specific Color
Difficulty
Easy (5-9 balls)
Medium (8-13 balls)
Hard (11-17 balls)
Expert (14-20 balls)
Speed
Slow (0.8x)
Normal (1x)
Fast (1.2x)
Super Fast (1.5x)
Display Duration (sec)
3 seconds
5 seconds
7 seconds
10 seconds
Number of Trials (5-20) ▲▼
⚡ Quick Start
➤
Balls will bounce around the screen -
count them carefully
➤
In color mode, count
only the target color shown before the test
➤
Enter your count when the balls disappear and click
Submit
Press
Space
or click/tap the test area to start!
Click/tap here or press Space to start
Count this color:
How many balls did you count?
Submit Answer
Next Round
End Session
Session Summary
Recent History
📖 Detailed Instructions
Press
Space
or click the test area to begin.
Balls will bounce around the screen for the chosen duration.
Watch carefully and count them - in color mode, count only the target color shown before the test.
When the balls disappear, enter your count and click
Submit Answer
.
You'll see immediate feedback showing whether your count was correct.
Press
Space
or click
Next Trial
to continue.
Complete all trials to see your overall accuracy score.
Tip:
For color mode, focus on the target color and ignore other balls. For higher ball counts, try grouping them mentally.