Thames & Kosmos Spy Labs: Invisible Ink Pen and UV Light Bruksanvisning
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Spy Labs: Invisible Ink Pen and UV Light
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Dear Parents and Supervising Adults,
The Experiments
Setting up your Invisible Ink Pen and UV Light
First, have an adult assist with inserting the battery
into the UV pen. Use a Phillips-head screwdriver
to loosen the screw on the battery cover and lift it
off to expose the battery compartment. The screw
will remain in the cover. Remove the old battery (if
applicable) and insert a new AAA battery (1.5-volt,
type LR03). Pay close attention to the correct
polarity (+ and –). Close the battery compartment
and screw the cover back on.
very
day, but it can’t be detected by the naked eye.
When UV light bounces off of objects that
contain phosphors, visible light is emitted, as
the phosphors become excited and fluoresce
(the scientific word for glow). The UV light that is
emitted by your UV flashlight cannot be detected,
but the light reflected back from the ink has less
energy and falls within the visible range so you
can see it.
Protective cap
Stamp
Ultraviolet
LED
On/off
switch
Replaceable
UV ink
How to disassemble and reassemble
your Invisible Ink Pen and UV Light:
Loosen the screw to insert
or replace the UV ink.
Pay close
attention to the
polarity of the
battery.
Eyelet for
a key ring
Before starting the experiments, please read the
manual together with your child and discuss the
safety instructions.
Batteries should be inserted and replaced by an
adult or under close adult supervision.
Protect the device from moisture.
Make sure to keep the packaging and instructions
as they contain important information.
WARNING! Not suitable for children under
3 years. Choking hazard — small parts may be
swallowed or inhaled.
Invisible Ink
Pen and UV Light
Contents
WARNING! Never shine the UV light into your eyes
or the eyes of another person or animal!
To compose a top secret message, remove the cap
from the invisible ink pen and write the message
on a piece of paper. Your message is ready to send
to the recipient along with the UV light.
IMPORTANT! When you’re done composing your
note, make sure to always put the cap back on,
otherwise your pen will dry out.
To read the message, the recipient should shine
the UV light onto the paper and the words will
appear — almost as if by magic!
Don’t be too conspicuous (which means to attract
attention)! Sending someone a blank piece of
paper might be a little suspicious, so take a normal
pen or pencil and write or draw something non-
confidential in an area where there isn’t a secret
message waiting to be revealed.
Tip: You can also use the pen to mark your books,
toys, or your other investigative equipment, so you
can prove that they belong to you. You can write
your initials using the UV pen, or you can use the
stamp to mark your property. Just brush the UV ink
to coat the stamp’s surface and then press it onto
the item. Now try shining the UV light on it!
How Does the Invisible Ink Pen Work?
2
3
4 5
Produktspecifikationer
| Varumärke: | Thames & Kosmos |
| Kategori: | ej kategoriserat |
| Modell: | Spy Labs: Invisible Ink Pen and UV Light |
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