IKEA Billy Bookcase Library Build - 2500 Books & Counting!

I can finally show you part 1 of my "Iteration 1 Library Build" featuring the famous IKEA Billy Bookcases. So, are they any good? What about the height extensions? Any mistakes or learnings? Watch me (and the cats!) build the first 3 units, ready for the book sort and placement...coming very soon! 00:00 Two systems for the library, components and cost 01:20 Early tip (electric screwdriver) 09:24 First Billy frame in situ 10:57 Three frames together + extenders build 14:03 Penelope (Pip) and Mabel try to "help" (cause some drama!) 18:07 Final frames together (and linked with hex screws) 18:27 Adding some shelves 20:59 Adding some doors (Mabel comes to "help out" again!) 25:54 Adding the rest of the shelves 28:59 Finished build! Links to shelving and tools: https://www.ikea.com/gb/en/p/billy-bo... (Bookcase) https://www.ikea.com/gb/en/p/billy-he... (Height Extensions) https://www.ikea.com/gb/en/p/oxberg-d... (Oxberg Doors) https://www.ikea.com/gb/en/p/billy-ex... (Extra Shelves) https://www.bosch-diy.com/gb/en/p/ixo... (my little electric screwdriver) https://www.amazon.co.uk/dp/B0C39N3NL... (Lock connection screws) Thanks for watching!