you need it to look at Marie Curie though it, but first you turn the dial on the left to 87, and the dial on the right to 16.
you get them from the telescope.
as you know on shrink ray after set up telescope it says somtehing do exactly that
we are.
87 16
42 33
42 33
click on the lens
Get to the castle
(87,16)
on the desk next to her telescope
The telescope is in CJ`s room in the far left part of the house
x 87 y 16