Toying around with science : the physics behind toys and gags /
Friedhoffer, Robert.
Toying around with science : the physics behind toys and gags / by Bob Friedhoffer ; illustrated by Linda Eisenberg. - New York : Franklin Watts, 1995. - 95 p. : ill. ; 24 cm.
0531112152
Toying around with science : the physics behind toys and gags / by Bob Friedhoffer ; illustrated by Linda Eisenberg. - New York : Franklin Watts, 1995. - 95 p. : ill. ; 24 cm.
0531112152