The wall comes down!

A remote and a phone both send invisible signals. Who still gets through?

2

The remote shoots a straight light. The phone sends round whispers.

3

With nothing in the way, both reach the toy across the room.

4

Tap to slide the wall up — like closing a door!

Tap — the wall slides up and down.

5

The wall is down! Who still reaches the toy — the remote or the phone?

Tap your guess!