A toy comprising a frame and an inverting toy. In some embodiments, the inverting toy includes an invertible shell having a first surface and a second surface, the invertible shell configured to protrude outward in a first direction with respect to the frame until a depressing force on the first surface or the second surface in a second direction causes the shell to invert and protrude in the second direction with respect to the frame, wherein the first direction and the second direction are substantially opposite, an edge member formed at an edge of the invertible shell and configured to secure the invertible shell to the frame, and a pulling member formed on and protruding outward from the first surface of the invertible shell.

Implementations described and claimed herein provide systems and methods for delivering a customizable feedback stimulus. In one implementation, a custom feedback device comprises a shell housing having a first shell and a second shell. The shell housing opening extends between an outer surface of the first shell and an outer surface of the second shell. A plurality of protrusions extends between the first shell and the second shell, and at least one receiving area is defined by the plurality of protrusions between the first shell and the second shell. The receiving area is adapted to house a customized portion.

A system and method of assembling building blocks involves a posable metal linkage comprising a plurality of ends and a Lego-like brick having means for coupling at least one of the plurality of ends of the posable linkage within a cavity located therein.

A three-dimensional logic puzzle is provided. The puzzle includes a plurality of identically shaped puzzle components of an irregular form. Each puzzle component is configured to engage with another identically shaped puzzle component via projections and recesses formed on the sides of the puzzle components. The plurality of puzzle components are interengagably assembled into the form of a predetermined three-dimensional geometric shape.

A modular block toy and kit that includes a male cubic unit piece having a plurality of faces with a male node extending from each respective face of the plurality of faces, and a female piece having a plurality of faces and corners formed by three intersecting faces, the female piece having a female component formed on a respective face of each of the plurality of faces that is sized and shaped to receive a respective male node enabling connection using any side of the female piece and any side of the male piece, and in which all sides of the female pieces and the male cubic unit pieces with a snapping and interlock design are identical, enabling the pieces to be snapped together using any side of the female or male piece to achieve build out indefinitely in any direction.

A toy construction set comprising a number of toy building blocks forming a construction having multiple coupling sockets, the toy building set further comprises a number of coupling pins and a flexible sheet having at least one hole. Each of the coupling pins extends in a longitudinal direction between a first end shaped for releasable attachment of the pin to one of the coupling sockets, and a second end extending away from the coupling socket in the attached position of the pin in the socket. The second end of the pin comprises a head arranged distally on a neck having a cross section allowing it to pass freely through the hole, and wherein the size and shape of the hole and of the head are adapted to make it impossible to pass the head through the hole without tearing or providing a plastic deformation on the flexible sheet.

A system comprising a plurality of blocks is disclosed. Each block has a cuboid body and a connecting member extending away from each corner of the cuboid body, such that for each connecting member there is a first opposed connecting member, a second opposed connecting member and a third opposed connecting member, and a connector engagement arrangement is defined between a connecting member and each of the first, second and third opposed connecting members. The system also comprises a plurality of connectors, each connector having a body with a first connection end for engagement with a connector engagement arrangement of a first block and a second connection end for engagement with a connection engagement arrangement of a second block so as to connect the first block to the second block.

A caster, a construction block set comprising the caster and a method of producing the caster. The caster comprises a housing and a wheeled member rotatably attached to the housing, wherein the housing includes an integrated connecting structure arranged to facilitate a separable connection between the housing and a modular assembly, thereby providing a wheeled function to the modular assembly when the caster is installed.

A building blocks that can be easily assembled or disassembled, comprising a building block main body. Each side of the building block main body is configured with a connecting structure. A plurality of building block main bodies is joined together through the connecting structures. The connecting structure comprises a connecting seat and a connecting rod. The connecting seat has an open connecting slot. The inner walls on the two sides of the open connecting slot are both formed with positioning bumps. The two sides of the connecting rod are respectively configured with a first and a second positioning slot. The two sides of the connecting rod are further configured with a first and a second guide slot that are respectively communicated to the first and the second positioning slot.

Disclosed herein is a toy building unit for playing capable of folding from a flat position into a three-dimensional hollow position.