Found it!

Tastefully 3D Memo Pad, 1Pc 160 Sheets Carving Art Notepad DIY Sticky Post Creative Stickers Papers Card Craft Treehouse Building Castle Dragon for Office/Reading Room/Studio (Potter Magic Castle) https://www.amazon.com/dp/B09DP72Z6H/ref=cm_sw_r_awdo_navT_a_8NTNSVQQKD46J1WPVSX6?psc=1