1.5" Hurricane balls-prism
This toy, also known as “double-sphere”, made from two high precision steel bearing balls connected with prism-like aluminum shapes. Two balls becomes single body and can be spun like a top. It is fun to watch and observe unconventional behavior. For technical explanations click here. The best practice to spin these balls is to use concave glass surface. It is easier to start and balls remain mostly at the lowest point. The other phenomena noticed on this size of the balls - as packaged, balls can be used as palm massage tool. See demo video about it.
Author’s logo engraved on the packaging.Balls dimensions: 1.5” x 2.8”. Weight: 14.4 oz (409 gr).Gift wrapped in Maple wood and logo and texture branded plastic box made from repurposed materials.Packaging size: diameter - 2.85”, height - 2”.
This toy, also known as “double-sphere”, made from two high precision steel bearing balls connected with prism-like aluminum shapes. Two balls becomes single body and can be spun like a top. It is fun to watch and observe unconventional behavior. For technical explanations click here. The best practice to spin these balls is to use concave glass surface. It is easier to start and balls remain mostly at the lowest point. The other phenomena noticed on this size of the balls - as packaged, balls can be used as palm massage tool. See demo video about it.
Author’s logo engraved on the packaging.Balls dimensions: 1.5” x 2.8”. Weight: 14.4 oz (409 gr).Gift wrapped in Maple wood and logo and texture branded plastic box made from repurposed materials.Packaging size: diameter - 2.85”, height - 2”.
This toy, also known as “double-sphere”, made from two high precision steel bearing balls connected with prism-like aluminum shapes. Two balls becomes single body and can be spun like a top. It is fun to watch and observe unconventional behavior. For technical explanations click here. The best practice to spin these balls is to use concave glass surface. It is easier to start and balls remain mostly at the lowest point. The other phenomena noticed on this size of the balls - as packaged, balls can be used as palm massage tool. See demo video about it.
Author’s logo engraved on the packaging.Balls dimensions: 1.5” x 2.8”. Weight: 14.4 oz (409 gr).Gift wrapped in Maple wood and logo and texture branded plastic box made from repurposed materials.Packaging size: diameter - 2.85”, height - 2”.