The puzzle with attachable and releasable pieces includes shaped puzzle pieces and a two-part base, which includes a front base section and a back baseplate. The puzzle pieces have rear-facing engaging mechanisms that are attachable to forward-facing male studs carried by the back baseplate. The puzzle pieces each have a particular outer shape determining placement. The puzzle may be stored with the puzzle pieces engaged to the back baseplate, but the puzzle pieces may be later released for repeat play by using a provided puzzle release mechanism.

A smart magic cube with a ball shaft includes the ball shaft, six center blocks, eight corner blocks fitted with the center blocks, and twelve edge blocks fitted with the corner blocks and the center blocks. The center blocks are respectively arranged on a rotating shaft sensing assembly of the ball shaft. The smart magic cube with the ball shaft has a, clever design. Six printed circuit boards consist an electronic control system of the ball shaft. With each rotating shaft sensing assembly installed on each of the printed circuit boards, position sensing of the smart magic cube is accurate and a rate of lost steps of the smart magic cube is reduced. Further, the smart magic cube is not assembled by wire welding, has high integration, has a low cost, and is easy to assemble.

A computer device configured to: (a) render a game level in which a game board comprises a plurality of user selectable game elements of at least two types; (b) detect that a user has caused two user selectable game elements of the same type to be removed; (c) execute a refill process to refill vacancies on the game board after the game elements have been removed; (d) detect that a user has attained at least one objective of the game level by causing removal of certain user selectable game elements after a refill process; (e) access from a store a first portion of an object to be rendered on the display, the first portion associated with the at least one objective of the game level; and (f) in an environment view, render the first portion of the object within a representation of the virtual environment.

A vertically stacked educational building block device, which comprises a base, a building block base, a building block set and at least one picture card. The building block base comprises a bottom wall, several parallel and equidistantly arranged grid bars on two sides of top end of bottom wall, two sidewalls located at both ends of bottom wall and two top bars connected to the top end of grid bars and sidewalls. The building block device can be combined with a picture card to generate another game mode, which can be played by two persons together, so as to enhance the content and gameplay of the game, the building block game is more diversified, the fun of is enhanced, exciting the interest and benefit of play.

A vertically stacked educational building block device, which comprises a base, a building block base, a building block set and at least one picture card. The building block base comprises a bottom wall, several parallel and equidistantly arranged grid bars on two sides of top end of bottom wall, two sidewalls located at both ends of bottom wall and two top bars connected to the top end of grid bars and sidewalls. The building block device can be combined with a picture card to generate another game mode, which can be played by two persons together, so as to enhance the content and gameplay of the game, the building block game is more diversified, the fun of is enhanced, exciting the interest and benefit of play.

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 game box for storing game properties and for single-player or two-player game, comprises a first box body, comprising a first base and a first building block base, the first base is provided with a first holding space, the first building block base covers the top of the first base, both ends of rear side are pin connected to both ends of rear side of the first base; an inserting holder, arranged at one end of the first box body, and there is a slot in the top surface of the inserting holder; at least one card, which can be inserted into the slot, and a pattern is printed on the surface of the card; and a first building block set, which can be laid in the locating recess holes of the first building block base.

A device for testing cognitive development of a user; the device includes a housing and a test-member. Further, in a preferred embodiment, the device includes a cover-portion and a plurality of test-blocks. The device is useful for testing the cognitive development of the user by providing a revolving-test member including a plurality of test-displays each having a different development topic for testing.

According to some embodiments, a fidget toy comprises a first portion and a second portion. When the first portion is intertwined with the second portion an image is revealed. The first portion is a coil and the second portion is a coil. Respective portions of the image are disposed over a length of the first portion and a length of the second portion.

An object manipulation system comprising a storage device and a plurality of objects, which are configured to be placed within the storage device and separately taken from the storage device. The object manipulation system helps stimulate cognitive abilities of a user and provide quality of life moments without the need for supervision by allowing the user to arrange the items according to one or more arranging cues. The object manipulation system also helps stimulate blood flow of the hands and arms of the user and provides the added stimulating benefits of exercise and flexibility by enabling the user to bend and manipulate one or more manipulative devices of the system. Particularly, in some embodiments, the plurality of objects are bendable and are able to be bent and manipulated as the objects are taken from the storage device and arranged according to the one or more arranging cues.