Uploaded August 2026 | Updated September 2026, 2 weeks ago

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Grandad's postbag 20260730 CR2032 batteries and Magnetic Door Stops

Previous CR2032 postbag video -
Grandad's Postbag 20220204 Button Cells youtu.be/8SDMyg7riqU

My Cube World playlist
Cube World youtube.com/playlist?list=PLA5a2xPRSrB24ekuZVXp7R6UzsgWIR8CO


Are those cheap magnetic door stops any good? youtu.be/IJOU4YHLAng

Here is a selection of my related playlists
Grandad's Postbag playlist youtube.com/playlist?list=PLA5a2xPRSrB2WJXULAHJCeccvzkT3midw

Button Cells youtube.com/playlist?list=PLA5a2xPRSrB1Q3LuuQkkyqsN8DTGqdu9M

Grandad does plumbing and other household chores playlist youtube.com/playlist?list=PLA5a2xPRSrB1ziOiyVCov7LaLKGROU81G

Magnets and Magnetism playlist youtube.com/playlist?list=PLA5a2xPRSrB29gSQavaGm8H2vqVg8kcgJ
Magnetise/Demagnetise youtube.com/playlist?list=PLA5a2xPRSrB1RBYVjo3191YgZgOMyTNZT
Magnetohydrodynamics MHD youtube.com/playlist?list=PLA5a2xPRSrB2oqKK_oyzheu6F_BDRyIPi
Magnetic coupling & Solar Snowman Magnet Motor youtube.com/playlist?list=PLA5a2xPRSrB1Kpa5_w3B-K5UmV0edD_Wb
Magnet powered cars youtube.com/playlist?list=PLA5a2xPRSrB0Do8rGXYLhUOglmG-E9gto
Faraday Flashlight Magnet induction shaker LED light youtube.com/playlist?list=PLA5a2xPRSrB0t9RB2G1T2ow9lnx7cq4_D
Lenz's Law inspired projects youtube.com/playlist?list=PLA5a2xPRSrB0cO4VX5aD6HNN1lDarbgBM
Dynamo youtube.com/playlist?list=PLA5a2xPRSrB0I6JAMe457UMOX7j7A7YDI
Wind-Up Dynamo Flashlight Torch youtube.com/playlist?list=PLA5a2xPRSrB1ka_zdkpT3NVnUtRRGlKVh
Fridge Magnets youtube.com/playlist?list=PLA5a2xPRSrB3aYTz_UlW-Ih4bz8hdsvmB
Simple RC magnetic steering youtube.com/playlist?list=PLA5a2xPRSrB2ijSRI_XdtdYbRMbbGhRfs
Magnetically coupled impeller water jet youtube.com/playlist?list=PLA5a2xPRSrB1PF4oZziqqVjS6mEAAfTd1
Magnet powered cars youtube.com/playlist?list=PLA5a2xPRSrB0Do8rGXYLhUOglmG-E9gto

Merchandise on
RedBubble rdbl.co/2yJv56H
Direct grandadisanoldman.cottoncart.com
Teespring grandadisanoldman.creator-spring.com

My Channels
You can help keep my channels running with coffee and cakes at Kofi ko-fi.com/grandadisanoldman
GrandadIsAnOldMan youtube.com/@GrandadIsAnOldMan
GrandadsOtherChannel youtube.com/@GrandadsOtherChannel
Put a rubber band on it youtube.com/@Putarubberbandonit
Number4 youtube.com/@Number4GIAOM
Thingiverse thingiverse.com/grandadisanoldman
Tinkercad tinkercad.com/users/fqjxiYyhfjE
Cults cults3d.com/en/users/GrandadIsAnOldMan

I have thousands of videos on YouTube, to find one try my search guides youtu.be/ceBSOoOHcgw or youtu.be/Zj4UgwkwYRk

I am happy for you to show my content as part of your projects or in public settings, as long as you clearly credit GrandadIsAnOldMan. Please do not copy my video content and pass it off as your own.

#grandadisanoldman #magnetic #doorstop #postbag #buttoncell #battery #cr2032