My Collections of 3D Artworks

I was so bored yesterday and I decided to get my hands busy. I took my pencils and tried to draw some things but then I realised that i could not draw again like before( I've not touched my pencils for the past four years) . Then I decided to do something else which is 3d Pencil Artwork.This is my first attempt and I hope y'all like it? The art gurus should please correct my mistakes. Thanks!

INSTRUMENTS:
A4 paper
Ruler
Eraser
Blade
Hb pencil
My phone (for colour editing)

(1)Eiffel Tower

(2)column

(3)Tower of Pisa

(4)Floating ball

(5)Pyramid

(6)Castle

(7)Cube with a hole

(8)Well

Thank steemians for taking your time to go through it. I hope you like it? I know this isn't the best 3D artwork, I know my Eiffel Tower looks like a giraffe 😀 but I need encouragement. I look forward to learn more from the Art Gurus on steemit.

Please do not hesitate to encourage me by upvoting, reesteeming and commenting if you enjoyed it.

Have a lovely day pals😄