The speaker is floating with nothing holding it, and the boy's stunned face tells you the trick is real. Two questions stack at once, how it floats and what is hidden inside. One click promises both answers.
How the packaging works
Title
The title promises to open the mystery up.
Thumbnail
The image catches the speaker actually floating beside a genuinely amazed face.
Remix this
When a product does something that looks impossible, show it mid-act with a genuine reaction beside it. The real face vouches for the trick, so the viewer trusts the mystery is worth opening.
The transferable lesson
Impossible act plus honest reaction equals believed mystery.