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A magnetically connected block, including an electrically conductive connector, the electrically conductive connector defining therein a cavity and a magnet being arranged in the cavity, the electrically conductive connector being provided with a contact surface and a conductive device being provide

A magnetically connected block, including an electrically conductive connector, the electrically conductive connector defining therein a cavity and a magnet being arranged in the cavity, the electrically conductive connector being provided with a contact surface and a conductive device being provided on the contact surface. In this way, the electrically conductive connector achieves the electrical conduction between blocks by way of the conductive device and achieves the connection between two blocks by way of the magnet to ensure the connection by attraction and the electrical connection between blocks. Owing to the arrangement of the magnet, blocks can be attracted onto a magnetic attraction board surface to facilitate teaching use.

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1. A magnetically connected block comprising: an electrically conductive connector having a plurality of contact surfaces defining a cavity,a conductive device being provided on each of the plurality of contact surfaces, anda magnet arranged in the cavity such that the magnet creates magnetic forces

1. A magnetically connected block comprising: an electrically conductive connector having a plurality of contact surfaces defining a cavity,a conductive device being provided on each of the plurality of contact surfaces, anda magnet arranged in the cavity such that the magnet creates magnetic forces at multiple of the plurality of contact surfaces, wherein the magnet is cylindrical and magnetized radially and wherein the magnet is rotatable in the cavity such that the magnetic poles at the multiple contact surfaces are adjustable by rotating the magnet. 2. The magnetically connected block according to claim 1, wherein the conductive device is a conductive coating and the conductive coating is coated on the contact surface. 3. The magnetically connected block according to claim 2, wherein the electrically conductive connector includes an end surface and a side surface which are both provided with the contact surface and the end surface is an arc surface. 4. The magnetically connected block according to claim 3, wherein the magnet is close to the end surface and the side surface is provided with a magnetically attractable metal correspondingly. 5. The magnetically connected block according to claim 1, wherein the conductive device is the magnet and the contact surface is provided with an opening with an edge of the magnet projecting from the opening. 6. The magnetically connected block according to claim 1, wherein a central pillar is provided in the cavity and an axial through-hole is provided at a center of the magnet with the central pillar passing through the axial through-hole. 7. The magnetically connected block according to claim 1, wherein the magnetically connected block further comprises a functional circuit electrically connected to the conductive device. 8. The magnetically connected block according to claim 7, wherein the magnetically connected block comprises a plurality of electrically conductive connectors. 9. The magnetically connected block according to claim 7, wherein the magnetically connected block further comprises an elastic connector made of a non-magnetically attractable material with one end thereof abutting the magnet and another end electrically connected to the functional circuit. 10. The magnetically connected block according to claim 9, wherein the elastic connector is a tension spring or an elastic plate. 11. The magnetically connected block according to claim 7, wherein the magnetically connected block further comprises a casing to which the electrically conductive connector is connected. 12. The magnetically connected block according to claim 11, wherein the casing is provided with a cover and the functional circuit comprises a function execution device arranged inside the cover.