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LEGO Harry Potter 4721 Hogwarts Classroom

200176 pieces1 minifigure

LEGO 4721 Hogwarts Classroom

Specifications

Set number4721
Release year2001
Piece count76
Minifigures1
ThemeHarry Potter
Building instructionsDownload the instructions on lego.com

Where to buy set 4721

Also on: Amazon.co.uk · Amazon.ca

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LEGO set 4721 Hogwarts Classroom, released in 2001 as part of the Harry Potter line, has 76 pieces. Its inventory breaks down into 53 different lots, across 21 colors.

Inventory of set 4721

The inventory of set 4721 lists 76 pieces, spare parts excluded: 53 different lots (one shape in one color) for 48 part shapes. The box also contains 3 spare parts, for small elements that are easy to lose.

Colors of set 4721

Main color: white, making up 17% of the parts, followed by orange (16%) and trans-neon orange (9.2%).

ColorPartsShare
White1317%
Orange1216%
Trans-Neon Orange79.2%
Medium Dark Pink67.9%
Trans-Dark Pink56.6%
Black45.3%
Medium Orange33.9%
Light Violet33.9%
Trans-Purple22.6%
Trans-Dark Blue22.6%
Other colors (11)1722%

Part types

TypePartsShare
Plates912%
Panels912%
Windows and Doors79.2%
Bricks67.9%
Minifig Accessories56.6%
Plates Round Curved and Dishes45.3%

Most common parts in set 4721

PartColorQuantity
Panel 1 x 2 x 2 [Hollow Studs] 4864bWhite6
Plate Round 1 x 1 with Solid Stud 6141Trans-Neon Orange4
Plate 2 x 2 3022Orange3
Plant, Flower, Plate Round 1 x 1 with 4 Petals 33291Medium Dark Pink3
Seat / Chair 2 x 2 4079Medium Dark Pink3
Panel 1 x 2 x 1 [Square Corners] 4865aOrange3
Brick 2 x 2 without Inside Ridges 6223Trans-Dark Pink3
Brick 1 x 1 3005Trans-Purple2
Brick Special 1 x 2 Palisade [aka Log] 30136White2
Belville / Scala, Brick Round 1 x 1 x 2/3 Round 33286Orange2

32 of the 48 part shapes in this set have their own page on Setopedia, with their colors, element numbers and the other sets that use them. See all LEGO parts

Exclusive parts in set 4721

2 part shapes in set 4721 appear in no other set in the catalog, most often printed elements, stickers or molds specific to the model. If one gets lost, you will need to look for it individually, for example on BrickLink, rather than in another set. Counting colors, 8 lots in the set are not found in any other set.

PartColor
Backdrop for Set 4721-1 4163003
Sticker Sheet for Set 4721-1 41606

No similarly sized set supplies more than a quarter of its parts: set 4721 relies on a little-shared assortment.

Size of set 4721 within its line

With 76 pieces, set 4721 ranks #162 out of 186 Harry Potter sets in our database, which have an average of 672 parts. Among the 173 sets released in 2001, it ranks #106. That is less than half the average Harry Potter set size.

Frequently asked questions

How many pieces does LEGO set 4721 Hogwarts Classroom have?

LEGO set 4721 Hogwarts Classroom has 76 pieces. It was released in 2001 as part of the Harry Potter theme.

What year was LEGO set 4721 released?

Set 4721 Hogwarts Classroom was released in 2001 and belongs to the Harry Potter theme.

Which minifigures are included in set 4721?

Number of minifigures in LEGO set 4721 Hogwarts Classroom: 1. Their names and quantities are listed in the “Included minifigures” section.

Where can I find the building instructions for set 4721?

The instructions for LEGO set 4721 Hogwarts Classroom can be downloaded free as a PDF from the official lego.com website, under “Building Instructions”, by entering the number 4721.

What is the main color of LEGO set 4721?

White, with 13 out of 76 pieces, or 17%. Next come orange (16%) and trans-neon orange (9.2%).

How many different parts does set 4721 contain?

Set 4721 has 53 different lots (one shape in one color), covering 48 part shapes. Most common part: Panel 1 x 2 x 2 [Hollow Studs] in white, with 6 copies.

Does LEGO set 4721 contain any exclusive parts?

Yes: 2 part shapes exist in no other set, for example: Backdrop for Set 4721-1.

Set number4721
Release year2001
ThemeHarry Potter
Piece count76
Minifigures1
SetopediaData: Rebrickable
Spec sheet updated on 2026-09-30