PERFECT MAGNETS Ferrite Ring Magnet, OD 90mm x ID 36x15mm Thick (Pack of 2)

The product is perfect. It has good magnetic strength and is of mentioned dimension . Obviously, it's not for kids cause its freaking heavy and strong. The material however is not so strong. You have to handle them carefully or they might break just from the collision due the their mutual attraction. The delivery service was very very bad.it took a week to deliver a wrong magnet and then another week to pickup the return and then another week to deliver this magnet.

These are powerful magnets.Good for experiments.But beware, these are very brittle and can break in to pieces if you drop them on the floor.These are so powerful that if you hold them near each other facing the opposite poles they can crush the skin of your finger or palm !! It really hurts guys !!Amazon does not care for it's packing perhaps because it is not costly.The coin sized magnet inside the two ring magnets just floats in the magnetic field and during shipping it strikes rampantly on the inner wall of the ring magnets due to changing gravitational force and breaks itself into small fragments.My suggestion is the coin sized magnet should not be put into the ring magnets rather this should be packed in a separate packing material out side the rings. I will experiment on the utility of these magnets and add information if possible.........Shirish Pujari....Sambalpur.....Odisha

Magnets are big in size. Also a small size magnet is given with them to play with them which is a very nice thing. But there is a problem. When these magnets attract each other small pieces come out of them and so the magnets get chipped.

The magnet is very strong. Its size is as described. Very good for most purpouses.Caution: It's not for kid's playing. It's a strong magnet and can potentially cause an accident if not handled carefully. It happened to me. I was just separating two magnets with fingers. They stuck each other strongly and quickly with a thin screen of my hand between them..!! So, at least keep the two magnets away from each other.

I was amazed at the sheer size and the power of the magnets. I bought it to teach my child about magnets - realized its too big and powerful for kids. Best for children above 10 years and school projects. Just for for it if you like playing with magnets, you can't get a better deal!

Price is just ok

Perfect as Expected, powerful oneI was planning to break my speakers to take out the magnets for the project, luckily found theseOnly consSharp edges will cut the hand, handle carefully

It's powerful magnets, field of the magnet about 2 to 3 inches pull the things. Compare to other it is heavy weight.