Plaything

Abstract

A plaything including unit blocks connected to each other using a connection tube is provided. Each unit block includes a spherical capsule and a plurality of connection members protruding at regular angular intervals from the surface of the spherical capsule. A shock detector emitting light in response to an external shock is installed inside the unit block. When connecting the unit blocks, the connection members of different unit blocks are inserted into the same connection tube from opposite directions. A structure formed by only one unit block or by connecting two or more unit blocks may be used as an educational tool or a shaking tool shaken in a manner of jig fishing.

What is claimed is: 
     
         1 . A plaything comprising;
 two or more unit blocks connected to each other, each unit block including a spherical capsule having an inside space and a plurality of connection members integrally formed with the spherical capsule and protruding from a surface of the spherical capsule;   a shock detector installed in the unit block and including a light-emitting device for emitting light, a sensor member for detecting a shock applied to the unit block and causing electric power to be supplied to the light-emitting device when a shock is detected, and a battery supplying the electric power;   a connection tube made of a flexible elastic material and having a through hole extending in a longitudinal direction of the connection tube,   wherein the unit blocks are connected to each other such that one of the connection members of one unit block and one of the connection members of another unit block are inserted into the connection tube from opposite directions.   
     
     
         2 . The plaything according to  claim 1 , wherein the connection tube is made of rubber or synthetic resin. 
     
     
         3 . The plaything according to  claim 1 , wherein the spherical capsule is made to foe divided into two hemispherical parts. 
     
     
         4 . The plaything according to  claim 1 , wherein a ring-shaped groove is formed in a middle portion of the surface of the spherical capsule arid a connection hand, on which the connection members are formed at regular intervals, is inserted into the ring-shaped groove. 
     
     
         5 . The plaything according to  claim 1 , wherein the unit block is a single body of a resin composition obtained by reacting PVA and boric acid, and the shock detector is embedded in the resin composition. 
     
     
         6 . The plaything according to  claim 1 , wherein a cross-sectional shape of the unit block is a circle, a triangle, or a rectangle.