Some recently published general works on science demonstrations and their use, including collections of further resources.
Richard Berg, Resource Letter PHD-2: Physics Demonstrations, AJP v. 80 no. 3, March 2012, pp181-191. (http://dx.doi.org/10.1119/1.3660659)
Joe Pizzo, Interactive Physics Demonstrations (AAPT, College Park, 2001).
J. Sprott, Physics Demonstrations: A Sourcebook for Teachers of Physics (Univ. of Wisconsin Press, Madison, 2006).
Richard Manliffe Sutton, Demonstration Experiments in Physics (AAPT, College Park, 2003).
Cynthia C. Yao, Handbook for Small Science Centers (Altamira, Lanham, 2006).