As an embodiment of the present disclosure, a connection member of an assembly toy includes: a body formed as a solid figure similar to a rectangular parallelepiped, the body including a circular opening in a center of an upper surface and openings of oval shapes in a left side surface and a right side surface; a leg protruding out of the body through the openings of the oval shapes in the left and right side surfaces of the body; and foot models respectively connected to left and right end portions of the leg.

Provided is a wheel-shaped self-assembly connection member including a wheel of a circular shape, and having an internal space that is partitioned into a plurality of fan-like shapes; a protruding circular connector of a cylindrical shape protruding from a center axis of the wheel in a direction to perform as a driving axis, the cylindrical shape having a female void performing as a connector; and circular connectors located in the fan-like shapes in directions of north, south, east, and west in the wheel, each of the circular connectors having a center void performing as a connector.

Provided is an assembly toy including an internal cylindrical body, an external cylindrical body surrounding the internal cylindrical body and having a spiral recess in an internal side surface thereof, and an insertion member inserted to a void in the internal cylindrical body to be engaged with and coupled to the internal cylindrical body. When the insertion member is rotated, the internal cylindrical body moves along the spiral recess in the internal side surface of the external cylindrical body.

Provided is a toy block. The toy block includes a first rotator formed on a body, a second rotator on an outer portion of the first rotator, and a gear portion switching a rotation movement of the first rotator to a rotating movement in an opposite direction to transfer the rotating movement to the second rotator.

A rotating joint assembly such as an interface device in a master device or remote manipulator for a puppeteering device or other mechanical system operating in response to operator input and requiring more than 360 degrees of rotation. The rotating joint assembly includes a hard stop assembly that limits the rotation of its rotating component(s) to a predefined maximum amount of rotation such as to less than two full revolutions, e.g., some rotation amount between 360 and 720 degrees. The hard stop assembly includes a Geneva drive body or driven wheel with a hard stop body rigidly coupled with the Geneva drive body to rotate it between a disengaged position (during the first revolution) and one of two engaged positions by rotation of an inner ring (at some point during the second revolution in either direction).

A rotating joint assembly such as an interface device in a master device or remote manipulator for a puppeteering device or other mechanical system operating in response to operator input and requiring more than 360 degrees of rotation. The rotating joint assembly includes a hard stop assembly that limits the rotation of its rotating component(s) to a predefined maximum amount of rotation such as to less than two full revolutions, e.g., some rotation amount between 360 and 720 degrees. The hard stop assembly includes a Geneva drive body or driven wheel with a hard stop body rigidly coupled with the Geneva drive body to rotate it between a disengaged position (during the first revolution) and one of two engaged positions by rotation of an inner ring (at some point during the second revolution in either direction).

A double-sided toy vehicle comprises a vehicle body, a driving mechanism, a transmission mechanism, a driven wheel set, a first driving wheel set and a second driving wheel set, in which the transmission mechanism comprises a reverse gear, a double gear, a transition gear, a first output gear and a second output gear; the reverse gear meshes with a rotating shaft gear of an electrical motor of the driving mechanism, and provided with an axial gear protruding axially and meshing with a first gear of the double gear; the double gear is provided at a position between the first output gear and the second output gear, achieving transmission of power of the electrical motor; the first output gear meshes with a second gear of the double gear through the transition gear, and the second output gear directly meshes with the second gear of the double gear to achieve the transmission.

A double-sided toy vehicle comprises a vehicle body, a driving mechanism, a transmission mechanism, a driven wheel set, a first driving wheel set and a second driving wheel set, in which the transmission mechanism comprises a reverse gear, a double gear, a transition gear, a first output gear and a second output gear; the reverse gear meshes with a rotating shaft gear of an electrical motor of the driving mechanism, and provided with an axial gear protruding axially and meshing with a first gear of the double gear; the double gear is provided at a position between the first output gear and the second output gear, achieving transmission of power of the electrical motor; the first output gear meshes with a second gear of the double gear through the transition gear, and the second output gear directly meshes with the second gear of the double gear to achieve the transmission.

A gear mechanism having a shuttle gear adjacent both an auxiliary gear and an action gear and a cam plate, having a shuttle lock adjacent the shuttle gear and including a cam follower riding back and forth along a first cam pathway with an action element in mechanical communication with the action gear. A motor operates the shuttle gear with rotation of the motor in a first direction rotating the shuttle gear into engagement with the auxiliary gear, activating the shuttle lock to maintain the engagement throughout a predetermined rotational range of the cam plate and rotating the cam plate back and forth driving controlled back and forth movement of the auxiliary elements, with rotation of the motor in a second direction rotating the cam plate beyond the predetermined range releasing the shuttle lock.

A gear mechanism having a shuttle gear adjacent both an auxiliary gear and an action gear and a cam plate, having a shuttle lock adjacent the shuttle gear and including a cam follower riding back and forth along a first cam pathway with an action element in mechanical communication with the action gear. A motor operates the shuttle gear with rotation of the motor in a first direction rotating the shuttle gear into engagement with the auxiliary gear, activating the shuttle lock to maintain the engagement throughout a predetermined rotational range of the cam plate and rotating the cam plate back and forth driving controlled back and forth movement of the auxiliary elements, with rotation of the motor in a second direction rotating the cam plate beyond the predetermined range releasing the shuttle lock.