Vlastní projekt - Magnet s otvírákem lahví - MyGift.cz
Amazon.com: Project Magnet: The Lights In The Sky Are Not Stars: 9781606112472: Beckley, Timothy Green, Smith, Wilbert, Cameron, Grant, Musgrave, John: Books
Project Magnet: The Lights In The Sky Are Not Stars - Kindle edition by Beckley, Timothy, Smith, Wilbert, Cameron, Grant, Musgrave, John. Religion & Spirituality Kindle eBooks @ Amazon.com.
Make your Electric Magnet (Science Project) - YouTube