Early Math Numbers Set (9540-1) is a Duplo and Explore LEGO set released in 2004 with 115 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. Collectors browsing Duplo and Explore sets use this inventory to verify loose parts, compare color variants, and read official build manuals without downloading PDFs. This set includes 54 unique part types.
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Buying checklist
Quick context before you buy this set used or verify a marketplace listing.
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Release year
2004 (22 years ago — may be retired)
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Catalog scale
115 parts listed · 54 inventory lines tracked
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Minifigures
No minifigs in inventory (brick-only or Technic set)
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Build manual
No digital manual in our catalog — check the box tab or LEGO.com
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Shipping weight (est.)
~265 g for parts inventory (excludes box/minifig packaging)
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Before you buy used
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Market value
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Parts in this set
54 parts · page 1 of 2 · updating…
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Duplo Animal Alligator2284pr0001 · ×1 · Green -
Duplo Animal Elephant Baby Standing, Round Eye Print6502pr0002 · ×1 · Light Gray -
Duplo Animal Giraffe Baby, Loose Spot Print2278pr0001 · ×1 · Yellow -
Duplo Animal Hippo Baby With Eyes Print2276pr0001 · ×1 · Dark Gray -
Duplo Animal Tiger Cub on Green Base2275c01pr0003 · ×1 · Yellow -
Duplo Baseplate 12 x 166851 · ×2 · White -
Duplo Brick 1 x 2 x 24066 · ×2 · Red -
Duplo Brick 2 x 23437 · ×5 · Red -
Duplo Brick 2 x 23437 · ×5 · Bright Green -
Duplo Brick 2 x 23437 · ×5 · Blue -
Duplo Brick 2 x 23437 · ×5 · Yellow -
Duplo Brick 2 x 2 with Eye with White Spot Print, on Two Sides - Type 13437pr0067 · ×2 · Yellow -
Duplo Brick 2 x 3 with Curved Top2302 · ×2 · Red -
Duplo Brick 2 x 3 with Curved Top2302 · ×2 · Bright Green -
Duplo Brick 2 x 3 x 2 with Curve2301 · ×2 · Yellow -
Duplo Brick 2 x 43011 · ×1 · Bright Green -
Duplo Brick 2 x 43011 · ×1 · Yellow -
Duplo Brick 2 x 43011 · ×2 · Red -
Duplo Brick 2 x 4 x 2 Rounded Ends with Large Centered Eyes print4198pr9981 · ×2 · Yellow -
Duplo Brick 2 x 6 x 2 with Curved Ends4197 · ×1 · Blue -
Duplo Brick 2 x 84199 · ×1 · Bright Green -
Duplo Door / Window4247 · ×1 · Yellow -
Duplo Door / Window Frame with Raised Door Outline2332 · ×1 · Red -
Duplo Figure, Early Child, Hair Swept Left Black, Blue Legs, Blue Overalls Print75271pr0014 · ×1 · Yellow -
Duplo Figure, Early Child, Hair Swept Left Black, Red Legs, Red Collar and Buttons Print75271pr0013 · ×1 · Blue
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Duplo Figure, Early Child, with Straight Hair Black, Red Legs, Red Collar and Buttons Print75176pr0011 · ×1 · Yellow
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Duplo Figure, Early Child, with Straight Hair Light Yellow, Dark Pink Legs, Yellow Collar and Dark Pin Buttons Print75176pr0009 · ×1 · Medium Green
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Duplo Sign Post Short4375 · ×1 · Yellow -
Duplo Technic Axle 5L with Paddle Wheel Gear 8 Tooth6523 · ×1 · Blue -
Duplo Technic Beam 76524 · ×2 · Yellow -
Duplo Tile 2 x 26309 · ×16 · White -
Duplo Tile 2 x 2 with ':' Print6309pr0059 · ×2 · White -
Duplo Tile 2 x 2 with '(' Print6309pr0058 · ×2 · White -
Duplo Tile 2 x 2 with '÷' Print6309pr0060 · ×2 · White -
Duplo Tile 2 x 2 with '10' Print6309pr0094 · ×2 · White -
Duplo Tile 2 x 2 with '11' Print6309pr0095 · ×2 · White -
Duplo Tile 2 x 2 with '12' Print6309pr0096 · ×2 · White -
Duplo Tile 2 x 2 with Addition ( '+' ) Print6309pr0073 · ×2 · White -
Duplo Tile 2 x 2 with Equal To ( '=' ) Print6309pr0072 · ×2 · White -
Duplo Tile 2 x 2 with Less Than ( '<' ) / Greater Than ( '>' ) Print6309pr0071 · ×2 · White -
Duplo Tile 2 x 2 with Minus ( '-' ) Print6309pr0074 · ×2 · White -
Duplo Tile 2 x 2 with Multiplication ( 'x' ) Print6309pr0075 · ×2 · White -
Duplo Tile 2 x 2 with Number '0' Print6309pr0070 · ×2 · White -
Duplo Tile 2 x 2 with Number '1' Print6309pr0061 · ×2 · White -
Duplo Tile 2 x 2 with Number '2' Print6309pr0062 · ×2 · White -
Duplo Tile 2 x 2 with Number '3' Print6309pr0063 · ×2 · White -
Duplo Tile 2 x 2 with Number '4' Print6309pr0064 · ×2 · White -
Duplo Tile 2 x 2 with Number '5' Print6309pr0065 · ×2 · White