Magnetic Hematite round balls, Not fade, strong magnet.
Product size: 25mm in diameter. Color: black, Weight: 10g/pcs, 8pcs balls
It will help you relieve stress, develop your brain-to-hand development, and increase overall mental intelligence
Perfect entertainment toy for your friends and family, ideal cool toy gifts for teenagers!
Suitable for 14 years old and up children. If kids are under 14 years old, should be companied by adults when they play it.
Willcome 8PCS Magnetic Balls Set 25mm Large Magnet Fidget Balls for Intelligence Development and Office Stress Relief Toy 8Pcs25mm B07TBRG2L5