Show-And-Tell
A visual dataflow language designed for use by elementary school children.
["A Visual Language for Keyboardless Programming", T. Kimura et al, TR WUCS-86-6, CS Dept Washington U, Mar 1986].
["Show and Tell: A Visual Language", T.D. Kimura et al in Visual Programming Environments: Paradigms and Systems, E.P. Glinert ed, IEEE Comp Sci Press, 1990, pp. 397-404].