The LEGO Guide
Choosing the right set, for the right age.
Every parent buying LEGO asks the same questions. We've mapped the answers by age, development stage, and what you're actually trying to achieve — whether that's building a toddler's pincer grasp or a primary schooler's first gear train.
By age

What to buy for your child

Child playing with large colourful building blocks

Todds

Ages 1–3

LEGO DUPLO Classic Heart Box

LEGO DUPLO Classic Heart Box

from $25

Open-ended building — the classic starter set every toddler needs

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LEGO DUPLO My First Unicorn

LEGO DUPLO My First Unicorn

from $20

Pull-along toy, imaginative play, the 'first favourite' gift

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LEGO DUPLO Bluey Ice Cream Trip

LEGO DUPLO Bluey Ice Cream Trip

from $30

Bluey crossover — imaginative play with a beloved character

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Child playing with LEGO

Preschool

Ages 4–6

LEGO Super Mario Adventures course builder

LEGO Super Mario Adventures

from $45

The only set that makes your kid run around the room — combines physical building with digital gameplay

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LEGO Classic Bricks and Gears

LEGO Classic Bricks and Gears

from $35

The bridge from DUPLO — teaches stud-counting and the logic of building

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LEGO City Passenger Airplane Toy

LEGO City Passenger Airplane Toy

from $55

Storytelling depth, detailed builds, survives years of heavy play

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Child building with LEGO Technic set

Primary

Ages 7–10

LEGO NINJAGO Dragon Battle Playset

LEGO NINJAGO Dragon Battle

from $50

Epic dragon battles, poseable joints, high collectibility. Best for kids who love action storytelling

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LEGO Technic Porsche Racing Building Set

LEGO Technic Porsche Racing

from $80

Real mechanical engineering in a recognisable form — gears, suspension, piston engine

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LEGO Harry Potter Knight Adventure Set

LEGO Harry Potter Knight Adventure

from $40

Magical storytelling, iconic castle builds, beloved character minifigures

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Systems

Which LEGO system is right for you?

LEGO makes distinct product lines for different ages and play goals. Here's a plain-English breakdown.

Colourful LEGO Classic building blocks

LEGO Classic

3–6

Best for: Open-ended creative building. Best first set for most children.

A parent's best first LEGO buy. Versatile enough to build anything, tough enough to survive a toddler.

LEGO City minifigure with car on table

LEGO City

5–10

Best for: Imaginative play with realistic themes — police, fire, construction, vehicles.

City sets are consistently among the best-sellers on Amazon. A reliable choice that parents come back to year after year.

LEGO Technic blue and gray motorcycle

LEGO Technic

7+

Best for: Mechanical builds, gear trains, suspension, realistic function. Gateway to real engineering.

The step up from standard LEGO — but worth it. Kids absorb engineering concepts faster than you'd expect.

LEGO NINJAGO minifigure with green hair

LEGO NINJAGO

6–12

Best for: Action storytelling, poseable joints, collectible minifigures kids beg for by name.

Kids become obsessed with collecting the minifigures. The kind of toy they'll request by name.

Close-up of many different coloured DUPLO bricks

LEGO DUPLO

1½–5

Best for: Toddlers and preschoolers — big pieces for small hands, developmental purpose.

The set parents reach for first — and the one toddlers actually play with. A reliable first LEGO for under-5s.

Colourful LEGO Classic building blocks

LEGO Classic

3–6

Best for: Open-ended creative building. Best first set for most children.

A parent's best first LEGO buy. Versatile enough to build anything, tough enough to survive a toddler.

LEGO City minifigure with car on table

LEGO City

5–10

Best for: Imaginative play with realistic themes — police, fire, construction, vehicles.

City sets are consistently among the best-sellers on Amazon. A reliable choice that parents come back to year after year.

LEGO Technic blue and gray motorcycle

LEGO Technic

7+

Best for: Mechanical builds, gear trains, suspension, realistic function. Gateway to real engineering.

The step up from standard LEGO — but worth it. Kids absorb engineering concepts faster than you'd expect.

LEGO NINJAGO minifigure with green hair

LEGO NINJAGO

6–12

Best for: Action storytelling, poseable joints, collectible minifigures kids beg for by name.

Kids become obsessed with collecting the minifigures. The kind of toy they'll request by name.

Close-up of many different coloured DUPLO bricks

LEGO DUPLO

1½–5

Best for: Toddlers and preschoolers — big pieces for small hands, developmental purpose.

The set parents reach for first — and the one toddlers actually play with. A reliable first LEGO for under-5s.

Not sure where to start? Browse by your child's age — we'll walk you through the developmental why behind every recommendation.