In the box with the product? Its on a little chain attached to the lock when you first purchase it

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Harry PotterHarry Potter Gifts A5 Notebook Set, Journal with Pen Faux Leather Hardback Diary for Kids Teens Fans Travel Writing School Office Stationery Supplies (Brown UV Pen)

Harry PotterHarry Potter Gifts A5 Notebook Set, Journal with Pen Faux Leather Hardback Diary for Kids Teens Fans Travel Writing School Office Stationery Supplies (Brown UV Pen)

Q: Can you change the batteries

Yes, its a bit difficult to remove the top section, it is pressed on and not glued, so pulling and twisting is required, but there are 3 x LR41 button cells which MUST be replaced the right way round !!! , flat bottom facing the spring. Easier if you Insert the 3rd battery in-between the other two DONT use any metalic object to remove or assist in inserting the batteries - you will short it out and discharge the cell in seconds.

Q: How do i change the batteries?

VERY carefully by an adult ! lever, twist, pull the top section off and remove the battery module. MAKE SURE that the white plastic TAB is removed first -( this is only used to separate batteries in transit and probably the cause of many complaints that the pen 'doesnt work') Use a NON metallic object to pop out the old batteries making sure the spring stays in place. The batteries are 3 x LR41 button cells. When replacing make sure the flat bottom of the cell faces the spring and they are all inserted the SAME way round. The last cell should be inserted in between the other two, separating them with something PLASTIC, like a fork prong or similar - DONT use anything metallic, you will short out the cell and it will be discharged in seconds!!! Put the module back into the pen with the button in line with the pen housing button. Press the top back on firmly, making sure the UV LED aligns with the cap hole. Voila !! I know this as I took one apart to find out what batteries would be needed in the future

Product ID: 150065788

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📏A5 size, perfect portable notebook

📚Officially licensed Harry Potter merch

🖊️UV invisible ink pen included

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Description

🪄 Unlock your inner wizard with every page!

MAGICAL WRITING EXPERIENCE - Includes a themed UV invisible ink pen for secret notes and spells.
PERFECTLY PORTABLE A 5 SIZE - Compact yet spacious for all your notes, ideas, and doodles on the go.
PREMIUM FAUX LEATHER COVER - Durable, stylish hardback diary that stands out in any meeting or class.
OFFICIAL HARRY POTTER BRANDING - Authentic merchandise that connects you to the wizarding world.
IDEAL GIFT FOR FANS PROFESSIONALS - Beautifully boxed, ready to impress kids, teens, and adult Potterheads alike.

This officially licensed Harry Potter A5 notebook set features a durable faux leather hardback cover and includes a unique UV invisible ink pen. Perfectly sized for school, work, or creative journaling, it’s a magical stationery essential for fans of all ages looking to add a touch of Hogwarts to their daily routine.

Specifications

Manufacturer	Cerda
Brand	Harry Potter
Model Number	2857
Product Dimensions	1 x 1 x 1 cm; 1 kg
Batteries	3 Product Specific batteries required. (included)
Colour	Brown Uv Pen
Material Type	Faux Leather
Number of Items	1
Size	One Size
Ruling	Lined
Sheet Size	A5
Manufacturer Part Number	2100002857
Item Weight	1 kg

Have a Question? See What Others Asked

Can you change the batteries

Where is the key?

How do i change the batteries?

Why does my book have 159 pages

Reviews

L**N

Great gift

Birthday present for my niece and she loved it. Very happy with this.

25.07.2025

G**S

Harry potter fans will love it

Excellent stationary for harry potter fansAll you need is in the packaging

19.07.2025

B**

Nice

Worth having

24.03.2025

M**N

Pen not working

The diary is good but the invisible ink pen was not working. The ink was dry and the battery of the light was so low that it would not shed the needed light.

2.09.2023

M**Y

Great product

Great for a gift

29.10.2024

E**N

worth the money

very nice grandson loved it

3.12.2024

E**A

Nice gift

Grandson loved this however the lock was a bit difficult to open for him

2.01.2025

M**Y

love it

my son loves this. He especially like the magic pen with the UV light so he can write secret messages.When i tell you these secret messages are everywhere in our house, im not lying. Luckily you cant see it without the UV light!!

7.11.2024

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