Interlocking toy

An interlocking toy, comprising:

• a torque transferring device, comprising a plurality of connection assemblies, wherein each connection assembly is provided with two connection ends;
• a plurality of transmission devices, wherein each transmission device comprises a supporting seat, a rotating seat, a transmission gear, and an output member;
• each supporting seat is provided with a plurality of fitting ends;
• each fitting end is configured for detachable insertion of the connection ends;
• each rotating seat has an outer tooth ring and an inner tooth ring;
• each rotating seat is rotatably arranged on a supporting seat;
• each transmission gear is rotatably arranged on a supporting seat;
• each transmission gear is engaged with an inner tooth ring;
• each transmission gear is in driving connection to an output member;
• and
• a plurality of action devices, wherein each action device is movably arranged on a supporting seat in a one-to-one correspondence manner, and each action device is in driving connection to an output member in a one-to-one correspondence manner,
• wherein when any connection assembly is in plug-in fit with fitting ends of two supporting seats respectively through two connection ends, a relative position between two supporting seats is fixed, so that two outer tooth rings are engaged with each other, and then two transmission devices are in driving connection to each other.