1.Ideal for art and crafts, are the strongest and most affordable type of rare-earth magnet. 2.And they look absolutely beautiful, the light shines great on them. They're quite powerful too. 3. With the sleek design of the Master of Boards magnetic glass boards and whiteboards,Can also DIY. 4.Offering ultra-strength magnetic adhesion, flyers, memos and brochures can be fixed with ease. specification: Material: Metal weight:350 grams Whether to DIY:Yes Colour:Nickel color specification: 5 * 5 * 5mm Whether multi-function: Yes Metal Classification: NdFeB Features: Modeling changeable NOTE: magnets Not suitable for children under 14 years. For use under adult supervision Packing:Color box 1 * magnetic cube Service concept: have any questions please feel free to contact us, we will be 24 hours for you!