An interconnecting alphabet toy corresponding to at least one letter from a book, including a plurality of main bodies, at least one protruding portion disposed on at least a portion of at least one side of at least one first of the plurality of main bodies, and at least one protrusion-receiving groove disposed on at least a portion of at least another side of at least one second of the plurality of main bodies to receive the at least one protruding portion therein, such that the at least one first of the plurality of main bodies and the at least one second of the plurality of main bodies interconnect to form the at least one letter.

A pegboard of the present disclosure includes: a main device including multiple unit modules; a board plate including multiple receiving portions; and multiple pegs to be inserted into the multiple receiving portions, and the multiple unit modules include multiple sensor modules configured to sense whether the multiple pegs are inserted into the multiple receiving portions and multiple light source modules configured to output light to the multiple receiving portions.

A pegboard training method, includes: receiving a game execution request from a user by a pegboard training device; providing the user with a game for which the execution request has been received by the pegboard training device; recognizing the user's insertion of a peg for the game by the pegboard training device; and guiding the user to an evaluation of a game result based on the insertion of the peg recognized by the pegboard training device after the game is over. The pegboard training device is configured to provide the user with training by using insertion pegs onto a board including a plurality of holes, and the game is executed by at least one of inserting a peg into at least one hole presented by the pegboard training device on the pegboard, inserting a peg by the user into a hole, which has not been presented by the pegboard training device, on the pegboard at the user's discretion, and removing a peg inserted in a hole by the user after the pegboard training device guides the user to remove the peg.

A pegboard training method, includes: receiving a game execution request from a user by a pegboard training device; providing the user with a game for which the execution request has been received by the pegboard training device; recognizing the user's insertion of a peg for the game by the pegboard training device; and guiding the user to an evaluation of a game result based on the insertion of the peg recognized by the pegboard training device after the game is over. The pegboard training device is configured to provide the user with training by using insertion pegs onto a board including a plurality of holes, and the game is executed by at least one of inserting a peg into at least one hole presented by the pegboard training device on the pegboard, inserting a peg by the user into a hole, which has not been presented by the pegboard training device, on the pegboard at the user's discretion, and removing a peg inserted in a hole by the user after the pegboard training device guides the user to remove the peg.

Disclosed are a Chinese character structuring member, a system of mortise and tenon joint structures of Chinese characters formed by the Chinese character structuring member and a method for inputting Chinese characters. An entity component of Chinese characters includes the following three structures: an entity component provided with a connecting mechanism at a middle and/or one end or both ends of the entity component configured to join with other entity components of the Chinese characters; an entity component provided with a connecting mechanism entity component extending from one end of the entity component to the other end of the entity component without exceeding the entity component of the Chinese characters; and an entity component provided with at least one connecting mechanism on the entity component that includes a plurality of sub entity components connected end to end and rotatable at the joint.

System and methods including a set of mathematical manipulatives that are designed to demonstrate the properties of logarithms and exponents are provided. A system that facilitates instruction in the logarithms, the system includes a set of manipulatives including at least one manipulative, each manipulative having a length proportional to a logarithm of a number labeled on the manipulative, the set of manipulatives are positionable end to end; and a measurement tool having markings for measuring a plurality of multiples of at least one manipulative; wherein, when one or more manipulatives are positioned end to end, a product of the numbers labeled on the manipulatives positioned end to end equals the number on a manipulative that has the same length as a total length of manipulatives positioned end to end.

Using various embodiments, methods and systems for assisted programming using an interconnectable block based system are described. In one embodiment, the system comprises a plurality of interconnectable blocks, and a processing unit. The processing unit can determine a programming language construct, or the portion thereof, based on a sequence in which the plurality of interconnectable blocks are connected to each other and execute the programming language construct, or the portion thereof, and transmit the output to an output device. The output device, can be coupled to the interconnectable block based system and can be at least an electroacoustic transducer device or an electroluminescent device.

Using various embodiments, methods and systems for assisted programming using an interconnectable block based system are described. In one embodiment, the system comprises a plurality of interconnectable blocks, and a processing unit. The processing unit can determine a programming language construct, or the portion thereof, based on a sequence in which the plurality of interconnectable blocks are connected to each other and execute the programming language construct, or the portion thereof, and transmit the output to an output device. The output device, can be coupled to the interconnectable block based system and can be at least an electroacoustic transducer device or an electroluminescent device.

A construction teaching set for education. A polyhedral block body has first and second divided members and provided by engaging and assembling of the first and second divided members. Each of the first and second divided members has a rectangular plane, a plurality of rectangular inclined surfaces adjoining sides of the rectangular plane, triangular connectors formed between the adjacent rectangular inclined surfaces, and a plurality of vertical skirts extending from the plurality of rectangular inclined surfaces and the triangular connectors. A connection bar has a protruding fastener at one end or both ends to be selectively connected to one among a first fastening hole passing through the rectangular plane, second fastening holes passing through the plurality of rectangular inclined surfaces, and third fastening holes formed in a pair of the vertical skirts adjoining each other. A coupling unit generates coupling force for the first and second divided members.

An electronic building block system includes at least one set of power source modules (10) for supplying electric energy, at least one set of input modules (20) electrically connected to the power source modules (10) and used for inputting data and signals, at least one set of output modules (30) electrically connected to the power source modules (10) and used to receive data and signal control of the input modules (20) to output corresponding signals and at least one communication module (40) selectively connected to the power source modules (10); and the communication module (40) is connected or disconnected so that communication between the electronic building block system and an external terminal (50) is connected to or disconnected, so that the electronic building block system is in a non-programmable state or a programmable state. The electronic building block system is in the non-programmable state or the programmable state so as to meet actual use requirements of the electronic building block system by people at different experience levels.