Level: First build

What happens in reverse?

The LED is turned round, so it stays dark.

Open in the 3D builderReserve a kit
+−3V220Ω
LED backwardsThe LED is the wrong way roundAn LED lets current through one way only. Use Rotate, or press the LED twice, to turn it round.

Try this

Click the LED block to rotate it twice and watch it light.

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