Usually surprise is an issue--they can jump out of your hands and snap together from a surprising distance before you realize what is happening. They are strong enough that they can fly into each other or to a piece of iron or steel with such velocity that they can break and send sharp 'shrapnel' flying about!
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Subwoofer Wireless Bluetooth Speaker Portable Radio FM Computer Powerful Woofers Sound Box Music PC Bass Lamp Caixa De Som Audio
Aliexpress UK
Usually surprise is an issue--they can jump out of your hands and snap together from a surprising distance before you realize what is happening. They are strong enough that they can fly into each other or to a piece of iron or steel with such velocity that they can break and send sharp 'shrapnel' flying about!
eBay
Ortizan M7 Bluetooth Speaker Portable ,24W Powerful Sound,Rich Bass,IPX7 Waterproof, 30H Playtime,Colorful Lights
Aliexpress UK
ALWAYS slide magnets to separate them. especially magnet thicknesses. I am trying to sort these to actual sizes where possible. If you are buying more than 1 lot. Sizes and stylesshown may vary a little.
eBay
Wireless Bluetooth Speakers Powerful Portable Sound Box Subwoofer panoramic surround sound effec USB Sound System LED Lights
Aliexpress UK
Discover the ultimate in magnetic power with our N52 Neodymium Magnets. Renowned for their exceptional strength, these rare earth magnets are perfect for a variety of applications, including DIY projects, industrial uses, and creative hobbies.
eBay
Xiaomi Sound Party Global Version Wireless Bluetooth Speaker Portable Smart Home Audio System Powerful Bass Long Range
Aliexpress UK
Three Sides Magnetic Surface of Fishing Magnet: Combined 540kg vertical magnetic pull force (180kg+180kg+180kg)on base of 1.18" thickness steel plate under ideal condition with N52 Neodymium Magnet. 100% NO Risk for Strong Fishing Magnet: All production processes carry out strictly per IS09001:2008 quality system.
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Elastic Sit Up Pull Rope Pedal Resistance Band Powerful Spring Drawstring Tummy Trimmer Equipment for Home Gym Bodybuilding
Aliexpress UK
Neodimium Magnet Gold Very Powerful N52 Grade Rare Earth Magnet. Strong Force. Free Royal Mail Delivery Fast Despatch Buy 2 Get 1 Free
eBay
Bluetooth Speaker Mini Portable Wireless Powerful Speakers TWS BT 5.3 Sound Box HIFI Loudspeaker Supports TF Card Radio TG659
Aliexpress UK
When magnetising two Neodymium magnets together, safely slide magnets together to avoid high impacts. These magnets are incredibly strong and never fail to impress. The magnets are coated in four layers of Nickel, Copper and Boron to enhance the lifespan of the magnet and the coating also provides a smooth finish.
eBay
Philips TAS1009 Mini Portable Desktop Wireless Bluetooth Speaker Powerful Sound 1200mAh Battery Life RGB Subwoofer for Outdoors
Aliexpress UK
Discover the ultimate in magnetic power with our N52 Neodymium Magnets. Renowned for their exceptional strength, these rare earth magnets are perfect for a variety of applications, including DIY projects, industrial uses, and creative hobbies.
eBay
KYYSLB 25~50W 3 Inch Speaker Driver Unit Woofer Subwoofer Bass Hifi Woven Basin Powerful Sound Audio Amplifier LoudSpeaker
Aliexpress UK