Apparatus:
laser
box,
AC/DC
converter,
whiteboard
easel,
magnetic
plexiglas
lenses,
mirrors
and
templates
Description:
The
laser
box
is
magnetized,
and
stays
on
the
whiteboard.
A
variety
of
templates
have
been
made
up
to
illustrate
telescopes,
a
camera
and
an
eye.
Place
the
lenses
on
the
whiteborad
in
the
path
of
the
laser
beams
to
show
reflection,
refraction
and
optical
devices.