Amazon.com: Foam Magnets for Toddlers - Refrigerator Magnets for Kids - Baby Magnets for Refrigerator and Whiteboard with Zoo and Farm Animals - Educational Magnetic Toys - Ideal for Kids! : Toys & Games
The Science Behind Magnets: How do they Work? - Stuff to Blow Your Kids' Mind #2 - YouTube
Easy Science For Kindergarten: Exploring the Properties of Magnets - Simply Kinder