Hogwarts: Polyjuice Potion Mistake

What there is most of

• Brick Round 1 x 1 Open Stud · White×12
• Brick 1 x 2 · Tan×9
• Tile Special 1 x 2 Grille with Bottom Groove · Dark Bluish Gray×7
• Plate 2 x 2 · White×6
• Plate 1 x 1 · Medium Nougat×4
• Plate Round 1 x 1 with Solid Stud · White×4
• Plate Special 1 x 1 with Clip Vertical [Thick Open O Clip] · Tan×4
• Plate Special 1 x 2 with Bar Up [Horizontal Arm 5mm] · Light Bluish Gray×4
• Plate Special 1 x 4 Offset with Bar Holes · White×4
• Plate Special 1 x 4 with 2 Studs with Groove [New Underside] · Dark Tan×4
• Tile 1 x 6 with Groove · Dark Tan×4
• Tile Special 2 x 2 Corner with Cut Corner - Facet · White×4
• Wedge Plate 2 x 4 · White×4
• Brick 1 x 2 x 2 with Inside Stud Holder · Light Bluish Gray×3
• Brick 1 x 3 · Reddish Brown×3
• Brick 1 x 3 · Tan×3
• Brick 2 x 2 Corner · Tan×3
• Brick Special 1 x 2 with Grille · White×3
• Brick Special 1 x 2 with Masonry Brick Profile · Medium Nougat×3
• Panel 1 x 2 x 1 with Rounded Corners and 2 Sides · White×3

The twenty most numerous parts, longest bar first. Start a checklist to see all 94 part types and tick them off as you find them.