Baby Discovery Set (9017-1) is a Duplo and Explore LEGO set released in 2003 with 51 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 32 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
2003 (23 years ago — may be retired)
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Catalog scale
51 parts listed · 32 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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Gray era
Pre-2004 set — may use old light/dark gray instead of bluish gray
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Shipping weight (est.)
~229 g for parts inventory (excludes box/minifig packaging)
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Before you buy used
Run the completion checker, compare photos to the inventory, and check live listings for sealed pricing
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Market value
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Parts in this set
32 parts · updating…
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Primo Airplane, Red Propeller, Blue Wheels, with Eyes, Wing Logo Print31639c01pr0002 · ×1 · Medium Blue -
Primo Brick 1 x 131000 · ×1 · Red -
Primo Brick 1 x 131000 · ×3 · Bright Green -
Primo Brick 1 x 1 with Light Yellow and Light Green Rings Print31000pr0012 · ×3 · Bright Green
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Primo Brick 1 x 1 with Orange and White Rings Print31000pr0009 · ×3 · Yellow -
Primo Brick 1 x 1 with Orange Dots Print31000pr0010 · ×2 · Yellow -
Primo Brick 1 x 1 with Orange Dots Print31000pr0010 · ×2 · Blue -
Primo Brick 1 x 1 with Pink and White Rings Print31000pr0011 · ×3 · Red
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Primo Brick 1 x 1 with Pink Circles Print31000pr0028 · ×2 · Red -
Primo Brick 1 x 1 with Round Rattle, Bee Print31005pr0002 · ×1 · Yellow -
Primo Brick 1 x 1 with Round Rattle, Bird and Arrows Print31005pr0004 · ×1 · Red -
Primo Brick 1 x 1 with Round Rattle, Frog Print31005pr0006 · ×1 · Green -
Primo Brick 1 x 1 with Round Rattle, Ladybug / Ladybird Print31005pr0001 · ×1 · Red -
Primo Brick 1 x 1 with Round Rattle, Smiling Face, and White Spots Print31005pr0007 · ×1 · Blue -
Primo Brick 1 x 1 x 2 with Rattle, Mirror Print (Sticker)31004pr0001 · ×1 · Bright Green -
Primo Brick, Oval 1 x 144589 · ×3 · Blue -
Primo Brick, Star 1 x 144591 · ×2 · Red -
Primo Brick, Triangle 1 x 144592 · ×3 · Yellow -
Primo Figure Boy with Blue Base, Blue Dungarees print, Green Cap76081pr0005 · ×1 · Lime -
Primo Figure Boy with Red Base, Red Dungarees print, Green Cap76081pr0006 · ×1 · White -
Primo Figure Boy with Red Base, Red Suspenders Print, Brown Hair75595c02pr0002 · ×2 · Green
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Primo Figure Girl with Green Base, Daisy Print, Brown Hair76080c01pr0001 · ×2 · Red -
Primo Plate 3 x 331012 · ×1 · Yellow -
Primo Shape Sorter, Bucket Lid44657 · ×1 · Medium Bluish Violet
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Primo Stacking Base Round Wavy Large, One Top Stud, Rattle with Yellow Base31011c01 · ×1 · Red -
Primo Stacking Base Round Wavy Medium, One Top Stud31137 · ×1 · Blue -
Primo Stacking Base Round Wavy Small, One Top Stud31136 · ×1 · Bright Green -
Primo Stacking Base Round Wavy Smallest, One Top Stud31135 · ×1 · Medium Lime -
Primo Stacking Head, Bear41021 · ×1 · Medium Blue -
Primo Train Engine 1 x 2 with Red Wheels, Yellow Button, and Face Print31155c02 · ×1 · Blue -
Primo Wheel Base 1 x 2 with Hitches and Red Wheels31605c02 · ×1 · Bright Green -
Primo Wheel Base 1 x 2 with Hitches and Red Wheels31605c02 · ×2 · Medium Blue