Tubes Experiment Set (45016-1) is a Duplo and Explore LEGO set released in 2013 with 151 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 44 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
2013 (13 years ago — may be retired)
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Catalog scale
151 parts listed · 44 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.)
~591 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
44 parts · updating…
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Activity Card 1, Set 9076-1 / 45016-16102439 · ×1 · [No Color/Any Color] -
Activity Card 2, Set 9076-1 / 45016-16102440 · ×1 · [No Color/Any Color]
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Activity Card 3, Set 9076-1 / 45016-16102441 · ×1 · [No Color/Any Color]
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Activity Card 4, Set 9076-1 / 45016-16102442 · ×1 · [No Color/Any Color]
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Ball, Hard Plastic, 51mm (approx. 6 studs diameter)41250 · ×2 · Blue -
Ball, Hard Plastic, 51mm (approx. 6 studs diameter)41250 · ×1 · Red -
Ball, Hard Plastic, 51mm (approx. 6 studs diameter)41250 · ×1 · Yellow -
Duplo Ball Tube 45° Turn31195 · ×4 · Blue -
Duplo Ball Tube 45° Turn31195 · ×4 · Red -
Duplo Ball Tube 45° Turn31195 · ×4 · Yellow -
Duplo Ball Tube Door with Smiling Face Print31193pr0007 · ×2 · Blue -
Duplo Ball Tube Exit Door31193 · ×2 · Red -
Duplo Ball Tube exit with round doorway 2 x 6 x 531191 · ×3 · Yellow -
Duplo Ball Tube exit with round doorway 2 x 6 x 531191 · ×1 · Red -
Duplo Ball Tube Straight31452 · ×4 · Yellow -
Duplo Ball Tube Straight31452 · ×4 · Blue -
Duplo Ball Tube Straight31452 · ×4 · Red -
Duplo Brick 2 x 23437 · ×4 · Dark Orange -
Duplo Brick 2 x 23437 · ×8 · Red -
Duplo Brick 2 x 23437 · ×8 · Lime -
Duplo Brick 2 x 23437 · ×8 · Bright Green -
Duplo Brick 2 x 23437 · ×8 · Medium Blue -
Duplo Brick 2 x 23437 · ×8 · Blue -
Duplo Brick 2 x 23437 · ×8 · Orange -
Duplo Brick 2 x 2 with Eye with White Spot Print, on Two Sides - Type 13437pr0067 · ×4 · Yellow -
Duplo Brick 2 x 3 with Curved Top2302 · ×4 · Bright Green -
Duplo Brick 2 x 43011 · ×4 · Red -
Duplo Brick 2 x 43011 · ×4 · Medium Blue -
Duplo Brick 2 x 43011 · ×4 · Bright Green -
Duplo Brick 2 x 43011 · ×4 · Blue -
Duplo Brick 2 x 43011 · ×4 · Orange -
Duplo Brick 2 x 6 Lower Flap Extensions31453 · ×1 · Orange -
Duplo Brick 2 x 84199 · ×4 · Red -
Duplo Figure Child with Cap Red, with Light Bright Blue Shirt under Green Coveralls - Dark Brown Face and Hands - Bright Green Legs47511pr0005 · ×1 · Bright Light Blue -
Duplo Figure Child with Cap Red, with White Shirt with 'SKATE' print - Red Legs47511pr0007 · ×1 · White -
Duplo Figure Child with Pigtails Black, with Bright Green Legs47510pr0002 · ×1 · Bright Light Blue -
Duplo Figure Child with Pigtails Reddish Brown, with Magenta Legs, and Shirt with Flowers Print47510pr0006 · ×1 · White -
Duplo Flag Wavy 2 x 5 with Slits51725 · ×2 · Red -
Duplo Flagpole / Antenna 1 x 951708 · ×2 · Reddish Brown -
Duplo Plate 2 x 440666 · ×8 · Orange -
Duplo Plate 2 x 4 with Round Tube Holder42029 · ×4 · Red -
Duplo Plate 2 x 844524 · ×2 · Bright Green -
Duplo Plate 4 x 84672 · ×2 · Bright Green -
Duplo Plate 8 x 166490 · ×2 · Bright Green