How It Works
XD Design Window Solar Charger

Win an XD Design window solar charger with the How It Works Issue 77 quiz

XD Design Window Solar Charger

You could win an XD Design window solar charger by answering just one simple question based on the latest issue of How It Works magazine!

The XD Design window solar charger will ensure that your smartphone is always powered up when you’re on the go. The compact device simply sticks to any window using a suction cup and boosts your battery through a USB cable, displaying a green light when it’s full. The slim, lightweight charger is perfect for using at home or on your travels.

The answer to our quiz can be found somewhere in issue 77, in which we reveal the new wonders of the world, take a look at the power of magnetism and find out how video games are made!

To get your hands on a copy, visit any good retailer, order it online or download it onto your digital device. Then click ‘Continue’ to take part in our quick quiz!




  • Frances Heaton

    Answer Aluminium

  • isabelle smith

    Aluminium

  • Chelsey Wood

    Aluminium

  • Gillian Hutchison

    Aluminium

  • Dawn Canning

    Aluminium

  • stuartpayne

    Answer – Aluminium

  • Laura Nice

    Aluminium

  • Louise Payne

    Aluminium

  • Sarah Revill

    Aluminium

  • Emily Hutchinson

    Aluminium

  • Donna Large

    Answer – Aluminium

  • Natalie fairhurst

    Aluminium

  • katie w

    Aluminium

  • Jenerate

    Aluminium