🦜 Parrot Echo (2D)
🟢 Ages 6–10
40 m
Distance to wall
0.23 s
Echo delay
Distance to wall
Call volume
Call pitch
🔊 Tap: Polly calls out!
💡 Sound travels at about
343 m/s
. An echo is your own sound bouncing off a wall — the farther the wall, the longer it takes to come back!
Tap Polly or the button to call — tap/click the canvas too!