These magnetic blocks have an exceedingly strong attraction to one another and to other ferromagnetic objects， subject to factors such as the size and shape of the magnets

Main Features:
This is an amazing intellectual toy
Great for training your imagination and creativity
Can be used as an educational tool for children
Also a good gift for friend
Tip:
1. Strong magnets should keep away from ironware and some easily magnetized iron products， such as monitors， bank cards， computers， televisions and mobile phones
2. Strong magnets should be stored in a dry environment
3. Magnets might affect some metering equipment' performance， such as water meter ， electric meter， gas meter