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The Evolution of STEM

21355-1·Twilight·2025·3 minifigs·365 parts

Used Avg

$49.37

New Avg

$72.49

Add to your inventory Scan the minifigs

About The Evolution of STEM

The Evolution of STEM (21355-1) is a LEGO Twilight set released in 2025, currently averaging $49.37 used on BrickLink. It comes with 3 minifigures worth a combined $27.20. It may still be available at retail from LEGO or authorized retailers. The full parts inventory runs 365 pieces.

Part-out value

Minifig value: $27.20 out of $49.37 total (55%). Over half the set's resale value is in the figures. Sellers parting this set out should list the minifigs individually on BrickLink — they'll earn more than bundling everything together.

Minifigures in The Evolution of STEM (3)

George Washington Carver

idea223$9.95

Sir Isaac Newton

idea224$9.20

Marie Skłodowska-Curie

idea225$8.05

Parts (365)

Bar Holder with Clip

×2

Tile, Modified 2 x 2 Inverted

Brick, Modified 1 x 2 with Studs on 1 Side

×4

Brick, Modified 1 x 2 with Studs on 1 Side

Plate 3 x 3

×2

Tile, Round 1 x 2 Oval

×3

Slope, Curved 2 x 1 x 2/3

×2

Plate, Round 4 x 4 with 2 x 2 Round Open Center

×2

Tile 2 x 2 Corner

×2

Tile 2 x 2 Corner

×2

Tile, Round 2 x 2 with Bottom Stud Holder with Silver Capital Letter C on Black Background Pattern

Slope, Curved 2 x 2 x 2/3

×15

Plate, Modified 1 x 1 with Tooth Vertical

×2

Plate, Modified 1 x 1 with Tooth Vertical

Minifigure, Weapon Gun, Blaster 1 x 2 x 2/3 with Studs on Sides and Handle

Plate, Modified 3 x 3 Cross

Tile, Round 2 x 2 with Hole

Plate, Modified 1 x 2 with 1 Stud with Groove and Bottom Stud Holder (Jumper)

Tile, Modified 1 x 1 with Open O Clip

×2

Tile, Modified 1 x 1 with Open O Clip

Tile, Round 1 x 2 Half

×5

Tile, Round 1 x 2 Half

×2

Tile 4 x 4

Slope, Curved 33 2 x 2 Double / Inverted

Minifigure, Weapon Harpoon, Smooth Shaft

×2

Technic, Liftarm Thick 1 x 1 (Spacer)

×21

Tile, Round 2 x 2 with Open Stud

Plate, Modified 1 x 2 with Pin Hole on Bottom

×4

Friends Accessories Hair Decoration, Flower with Pointed Petals and Small Pin

×3

Plate, Round Corner 2 x 6 Double

×2

Minifigure, Weapon Holder Ring with 3 Bars and 3 Bar Holes (Ninjago Aeroblade Center) - Open Stud

×3

Minifigure, Weapon Holder Ring with 3 Bars and 3 Bar Holes (Ninjago Aeroblade Center) - Open Stud

Tile, Round 1 x 1 with Bar and Small Pin Hole

×2

Tile, Round 1 x 1 with Bar and Small Pin Hole

×2

Tile, Round 1 x 1 with Bar and Small Pin Hole

×4

Tile, Round 1 x 1 with Bar and Small Pin Hole

×5

Sticker Sheet for Set 21355 - (10111467/6528171)

Dragon Tail / Horn Section Stepped

Slope 45 1 x 1 x 2/3 Quadruple Convex Pyramid

×2

Bar 1L with Tow Ball

×3

Bar 1L with Tow Ball

×3

Brick, Modified 1 x 2 x 1 2/3 with Studs on Side

×2

Slope, Inverted 45 2 x 1 with 2/3 Cutout

Brick 2 x 2 Corner

×4

Technic, Axle Connector Hub with 2 Bar Holders Perpendicular

Tile, Modified 1 x 2 Grille with Bottom Groove

×12

Plant Leaves 6 x 5

×4

Wedge, Plate 3 x 6 Cut Corners

Plate 2 x 2 Corner

×4

Plant Leaves 4 x 3

×3

Tile, Round 1 x 1 Half Circle Extended

×2

Tile, Round 1 x 1 Half Circle Extended

×6

Wedge, Plate 2 x 2 Left

×3

Wedge, Plate 2 x 2 Left

×2

Wedge, Plate 2 x 2 Left

×5

Hinge Plate 1 x 4 Swivel (2429 / 2430)

×2

Wedge, Plate 2 x 2 Right

×3

Tile 1 x 4

Tile, Modified 1 x 2 with Bar Handle

Brick 2 x 6

×2

Brick 2 x 6

×2

Plant Flower Stem with Bar Holder, Bar, and 3 Stems

×2

Plate, Round 1 x 1 with Flower Edge (5 Petals)

×4

Tile, Round 1 x 1 Quarter

×2

Tile, Round 1 x 1 Quarter

×6

Tile, Round 1 x 1 Quarter

×3

Plate, Modified 1 x 2 with Bar Handle on Side - Free Ends

Plate, Round 1 x 1 with Bar Handle

×2

Tile 2 x 3

Tile, Modified Facet 2 x 2

×4

Slope, Inverted 33 3 x 2 with Hollow Round Bottom Tube

Tile, Round Corner 2 x 2 Macaroni

×4

Tile, Round Corner 2 x 2 Macaroni

Slope 45 2 x 1 with Cutout without Stud

Technic Engine Crankshaft

×2

Brick, Modified 1 x 2 with Grille / Fluted Profile

×2

Wedge 2 x 1 x 2/3 Right

×4

Wedge 2 x 1 x 2/3 Right

×3

Wedge 2 x 1 x 2/3 Left

×4

Wedge 2 x 1 x 2/3 Left

×3

Brick 2 x 4

Brick 2 x 3

Brick 2 x 2

×4

Minifigure, Utensil Handlebars

×2

Brick 1 x 2

×2

Brick 1 x 1

×2

Brick 1 x 1

×2

Brick 1 x 8

×4

Brick 1 x 6

×2

Brick 1 x 4

×8

Plate 2 x 4

×2

Plate 2 x 4

×2

Plate 2 x 2

×5

Plate 2 x 2

×4

Plate 1 x 2

×7

Plate 1 x 2

×4

Plate 1 x 2

×2

Plate 1 x 2

×3

Plate 1 x 2

×2

Plate 1 x 2

×6

Plate 1 x 2

Plate 1 x 1

×3

Plate 1 x 1

×2

Plate 1 x 1

×3

Plate 1 x 1

×3

Plate 1 x 1

×2

Plate 1 x 1

×2

Plate 4 x 10

×4

Plate 4 x 4

Plate 4 x 6

×2

Plate 4 x 6

Plate 2 x 8

×4

Panel 1 x 4 x 1

Tile 2 x 2

×2

Tile 1 x 2

×6

Tile 1 x 2

×3

Tile 1 x 2 with Medium Azure 'Guble Bubble', White Number 8 in Green Circle, and Bright Pink Bubble with Face Pattern

Tile 1 x 2 with 'MEOW BiTS' and Medium Nougat and Tan Cat on White and Medium Azure Jagged Background Pattern

×2

Tile 1 x 1

×2

Tile 1 x 1

×2

Tile 1 x 1

×2

Tile 1 x 1

×2

Tile 1 x 1

×2

Tile 1 x 1

×2

Tile 1 x 1

×2

Tile 1 x 1

×2

Tile 1 x 1

×2

Tile 1 x 1

×2

Tile 1 x 1

×6

Tile 1 x 1

×2

Tile 1 x 1

×3

Tile 1 x 1

×2

Tile 1 x 1

×2

Tile 1 x 1

×4

Tile 1 x 1

×3

Tile 1 x 1

×2

Tile 1 x 1

×2

Tile 1 x 1

×2

Tile 1 x 1 with Black 'Ra', 'Radium', '88', '226' and Border Pattern

×2

Tile 1 x 1 with Pixelated Green Squares and Lines Pattern (DNA Strand)

×2

Vehicle, Spoiler 1 x 4 on 1 x 2 Base

Barb / Claw / Horn / Tooth with Clip, Angled

×2

Technic, Pin 3/4

×5

Technic, Axle and Pin Connector Angled #1

×2

Plate, Modified 1 x 2 with Door Rail

×2

Plate, Modified 1 x 2 with Door Rail

Technic, Axle 2L Notched

×11

Technic, Brick 1 x 2 with Axle Hole

×2

Technic, Axle 5L

Technic, Plate 1 x 5 with Smooth Ends, 4 Studs and Center Axle Hole

Technic, Gear 20 Tooth Bevel

Technic, Axle 5.5L with Stop

Technic, Gear 12 Tooth Double Bevel

×2

Technic Ball Joint

×3

Technic Ball Joint

×3

Plant Flower with Bar and Small Pin Hole

×5

Plant Plate, Round 1 x 1 with 3 Layered Leaves

×13

Apple

×4

Brick, Round 1 x 1 x 2/3 Half Circle Extended with Stud on Side

×2

Brick, Round 1 x 1 x 2/3 Half Circle Extended with Stud on Side

×2

Brick, Round 1 x 1 x 2/3 Half Circle Extended with Stud on Side

×6

Brick, Round 1 x 1 x 2/3 Half Circle Extended with Stud on Side

Tile, Modified 2 x 2 with Studs on Edge

×2

Tile, Modified 2 x 2 with 2 1 x 1 Curved Cutouts (Double Arrow)

×2

Plate, Modified 1 x 3 with 2 Studs (Double Jumper)

×3

Plate, Modified 1 x 3 with 2 Studs (Double Jumper)

Tile, Modified 1 x 3 Inverted with Hole

×2

Slope 45 1 x 1 x 2/3 Double

×2

Slope, Curved 1 x 2 x 2/3 Double

×2

Plant Plate, Round 1 x 2 with Rounded Leaf

×2

Tile, Modified 2 x 2 Triangular

×4

Plate 1 x 3

×4

Plate 1 x 3

×2

Plate 1 x 6

×2

Turntable 2 x 2 Plate, Top

Turntable 2 x 2 Plate, Base

Bracket 1 x 1 - 1 x 1 Inverted

Bracket 1 x 1 - 1 x 1

Technic, Brick 1 x 2 with Hole

Plate 1 x 4

×6

Plate 1 x 4

×3

Technic Bush

×2

Slope, Curved 1 x 2 with Bottom Stud Holder

Technic, Plate 2 x 8 with 7 Holes

Plant Stem with Bar, 3 Leaves, and Small Pin Hole

×3

Plate 2 x 6

×2

Plate 2 x 6

×4

Minifigure, Utensil Tea Saucer with Hollow Stud

×2

Technic, Brick 1 x 6 with Holes

×3

Minifigure, Utensil Cup

Hinge Brick 1 x 2 Base

×4

Brick, Round 2 x 2 with Axle Hole

Plate 6 x 6

×2

Plate, Round 3 x 3 Heart

Plate, Round 2 x 2 with Axle Hole

Bar Curved with Axle 1L and 1 x 1 Round Plate End

×3

Slope, Curved 1 x 4 with Rounded Ends

×2

Brick, Modified 1 x 1 with Headlight

×4

Plate, Round 1 x 1

×2

Plate, Modified 1 x 1 with Light Attachment - Thick Ring

Tile 1 x 8

×4

Tile 1 x 8

×8

Bracket 2 x 2 - 1 x 2 Centered

Technic Bush 1/2 Smooth

×5

Plate, Modified 2 x 2 x 2/3 with 2 Studs on Side - Hollow Bottom Tube

×2

Plate, Modified 2 x 2 x 2/3 with 2 Studs on Side - Hollow Bottom Tube

×2

Plate, Modified 2 x 2 x 2/3 with 2 Studs on Side - Hollow Bottom Tube

×2

Wedge, Plate 3 x 2 Right

Wedge, Plate 3 x 2 Left

Dish 3 x 3 Inverted (Radar)

Tail Shuttle, Small

Plate 1 x 10

×2

Arch 1 x 3

Minifigure, Plume Feather Small

×3

Technic, Axle 3L

Slope 10 6 x 1

Bracket 1 x 2 - 2 x 1 Centered

Cone 1 x 1 with Top Groove

Antenna Small Base with Light Bluish Gray Lever (4592 / 4593)

×2

Tap 1 x 1 without Hole in Nozzle End

×2

Brick, Modified 1 x 1 with Studs on 4 Sides

×4

Brick, Modified 1 x 1 with Studs on 4 Sides

×2

Bar 1 x 3 with Clip and Stud Holder (Robot Arm)

×2

Dish 2 x 2 Inverted (Radar)

Brick, Modified 1 x 1 with Studs on 2 Sides, Opposite

Wedge, Plate 3 x 4 with Stud Notches

Panel 1 x 2 x 1 with Rounded Corners

×2

Bar 1L with Clip Mechanical Claw - Cut Edges and Hole on Side

×3

Slope, Curved 1 x 1 x 2/3 Double

×2

Slope, Curved 1 x 1 x 2/3 Double

Plate, Modified 1 x 1 with Tooth Horizontal

Tile, Modified 1 x 2 Wedge Left

×4

Tile, Modified 1 x 2 Wedge Right

×4

Brick, Round 2 x 2 with 4 Roots / Feet and Axle Hole

Window 1 x 4 x 3, Rounded Top with 4 Panes and Sill

Plate, Round 1 x 1 with Clip on Bottom

×7

Plate, Round 1 x 1 with Clip on Bottom

×10

Barb / Claw / Horn / Tooth - Small

×5

Slope 30 1 x 1 x 2/3

×5

Wedge, Plate 6 x 3 Right

×2

Wedge, Plate 6 x 3 Left

×2

Wedge, Plate 6 x 3 Left

×2

Brick, Round 2 x 2 D. 45 degrees Elbow (27.7mm Standing Height)

Wheel 18mm D. x 14mm with Axle Hole, Fake Bolts and Shallow Spokes

Slope, Curved 2 x 1 with Recessed Stud

Plant Flower Round with 2 Layers (Peony Rose) with Open Stud and Small Pin Hole

×3

Plant Flower Round with 2 Layers (Peony Rose) with Open Stud and Small Pin Hole

Slope, Curved 2 x 1 x 1 2/3

×12

Plate, Round 4 x 4 with Hole

Plate, Modified 1 x 2 with Bar Handle on End

×2

Plate 1 x 12

×6

Minifigure, Utensil Hose Nozzle Elaborate

×2

Slope, Curved 2 x 1 x 1 1/3 with Recessed Stud

×2

Plate, Modified 1 x 1 with Open O Clip (Horizontal Grip)

Hinge Brick 2 x 2 Top Plate

×4

Turntable 4 x 4 Square Base, Locking

Technic, Pin Connector Round 2L with Slot (Pin Joiner Round)

Tile 1 x 3

Bar 6L with Stop Ring

×2

Bar 6L with Stop Ring

Technic, Axle Connector 2L (Smooth with x Hole + Orientation)

×5

Technic, Axle Connector 2L (Smooth with x Hole + Orientation)

×5

Technic, Axle Connector 2L (Smooth with x Hole + Orientation)

×5

Technic, Axle Connector 2L (Smooth with x Hole + Orientation)

×5

Bar 1L with Angled Hollow Stud

×2

Bar 1L with Angled Hollow Stud

×3

Bar 1L with Angled Hollow Stud

×2

Technic, Pin 3L with Friction Ridges

×20

Tile 1 x 6

×2

Tile, Round 3 x 3

Slope, Curved 6 x 1

×4

Arch 6 x 2 x 5/6 Inverted

×6

Plant Flower Stem with Bar and 3 Stems Short

×2

Plant Flower Stem with Bar and 3 Stems Short

×2

Minifigure, Hair Small Stud Size Spiky Tuft

×2

Plate, Round Corner 3 x 3 with 2 x 2 Curved Cutout

×4

Plant Flower 2 x 2 Round with 16 Petals (Sunflower) with Open Stud

Brick, Modified 2 x 2 x 2/3 Ribbed with Axle Hole

Technic, Axle and Pin Connector Perpendicular 2L with Axle

×22

Bar Holder with Clip Angled (Arm Mechanical)

×4

Bracket 3 x 2 x 1 1/3 with Bottom Stud Holder

Bracket 1 x 1 - 1 x 2 Inverted

×2

Hose, Rigid 3mm D. 25L / 20.0cm

Plate 3 x 3 Corner

×4

Plate, Round 1 x 3 with Open Studs

×2

Bar 2L with Stop Ring

×2

Plate 1 x 5

×10

Plate, Round 1 x 1 with Bar Handle on Long Stem

×5

Tile, Round Corner 3 x 3 Macaroni

×4

Ring 7 x 7 with Axle Connectors 1L

Wheel Wheelchair with Technic Pin Hole with Molded Black Hard Rubber Tire Pattern

×5

Plate, Round 1 x 1 with Open Stud

×2

Plate, Round 1 x 1 with Open Stud

×3

Cone 1 1/6 x 1 1/6 x 2/3 (Fez)

×3

Slope 30 1 x 2 x 2/3

×3

Slope 30 1 x 2 x 2/3

×4

Brick, Modified 1 x 2 with Stud on Side with Bottom Stud Holder

×2

Brick, Modified 1 x 1 x 2/3 with Open Stud

×4

Brick, Modified 1 x 1 x 2/3 with Open Stud

×3

Tile 2 x 4

Plate, Modified 2 x 2 with Groove and 1 Stud in Center (Jumper)

×8

Plate, Modified 2 x 2 with Groove and 1 Stud in Center (Jumper)

×4

Bar 3L (Bar Arrow)

×2

Technic, Pin 1/2 with Friction Ridges

×2

Minifigure, Utensil Statuette / Trophy

×2

Slope 45 2 x 1 with 2/3 Cutout

Minifigure, Utensil Bottle, Erlenmeyer Flask with Molded Trans-Bright Green Fluid Pattern

Brick and Axle Separator

Cone 2 x 2 Truncated

Tile, Round 1 x 1

×5

Tile, Round 1 x 1

×2

Tile, Round 1 x 1

×7

Tile, Round 1 x 1 with Bright Light Blue, Dark Turquoise, and White Cell Culture in Petri Dish Pattern

×3

Tile, Round 1 x 1 with 3 Tan and Dark Tan Peanuts Pattern

×2

Minifigure, Utensil Handlebars with Angular Handles

×3

Technic, Axle 4L with Center Stop

×2

Minifigure, Utensil Ingot 1 x 2

Bracket 1 x 2 - 1 x 2 Inverted

×2

Bracket 1 x 2 - 1 x 2 Inverted

×2

Bracket 1 x 2 - 1 x 2 Inverted

×6

Bracket 1 x 2 - 1 x 2

Common questions about The Evolution of STEM

How much is LEGO The Evolution of STEM (21355-1) worth?

The Evolution of STEM sells for an average of $49.37 used and $72.49 new/sealed on BrickLink based on 6 months of completed sales. Current retail availability may affect secondary market prices. Actual prices vary with completeness — missing minifigures or key parts will lower the value.

What minifigures come in LEGO set 21355-1?

This set includes 3 minifigures: George Washington Carver ($9.95), Sir Isaac Newton ($9.20), Marie Skłodowska-Curie ($8.05). The minifigures have a combined BrickLink value of $27.20. Each figure is linked above with individual pricing if you're looking to buy or sell specific characters.

Is it worth parting out LEGO The Evolution of STEM?

The minifigures make up about 55% of the set value ($27.20 out of $49.37). Most of the value is in the complete set package, so selling it whole is likely the better move unless you have buyers lined up for specific figures.

Is LEGO The Evolution of STEM (21355-1) retired?

The Evolution of STEM was released in 2025. It should still be widely available at retail from LEGO and authorized retailers.

How do I check if my The Evolution of STEM set is complete?

Use the parts list on this page to check every piece and all 3 minifigures. For the minifigures specifically, you can use the brick'em scanner to identify each figure from a photo and confirm it matches what should be in this set. Missing pieces can be individually sourced on BrickLink.

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