Parents and teachers, these jumbo magnetic marbles are such a fun way to introduce kids to science concepts! At 1.33 inches in diameter, they're specifically designed to be safe - no choking hazards here, which is a huge relief for parents of younger children. The set includes 5 brightly colored magnetic balls that spin, attract, and repel each other in the most fascinating ways. Watching kids discover how magnetism works through hands-on play is absolutely magical. They're large enough for small hands to manipulate easily, yet the magnetic force is strong enough to demonstrate clear attraction and repulsion principles. I've used these with my 4-year-old, and she's completely captivated by how they click together and push apart. The colors are vibrant and the smooth surface feels great to touch. Perfect for ages 3-6, these marbles turn learning about magnetism into an exciting game rather than a lesson. They're durable too - we've dropped ours multiple times and they still work perfectly. Great for individual play, classroom demonstrations, or family science time. The size is ideal for tabletop experiments where you can watch the magnetic interactions up close. If you're looking for educational toys that are both fun and safe, these jumbo magnetic marbles deliver hours of entertainment while secretly teaching important STEM concepts. They're simple enough for toddlers to enjoy but fascinating enough that even adults find themselves playing with them!