In {TAIL ~ accordance} with a feature of the invention, {HEAD ~ the relative dimensioning} of the elements is such that an assembly of standard KNEX components, such as shown in FIG 1, can be connected to compatibly dimensioned block elements in a manner consistent with the normal spacing and assembly of such block elements 
In
In { TAIL ~ accordance } with a feature of the invention , { HEAD ~ the relative dimensioning } of the elements is such that an assembly of standard KNEX components , such as shown in FIG 1 , can be connected to compatibly dimensioned block elements in a manner consistent with the normal spacing and assembly of such block elements
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