Hidden Treasure (5905-1) is a Jungle LEGO set released in 1999 with 33 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. Collectors browsing Jungle sets use this inventory to verify loose parts, compare color variants, and read official build manuals without downloading PDFs. This set includes 1 minifigure and 20 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
1999 (27 years ago — may be retired)
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Catalog scale
33 parts listed · 20 inventory lines tracked
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Minifigures
1 in this set's inventory — verify completeness when buying used
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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.)
~44 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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Minifigures in Hidden Treasure
Parts in this set
20 parts · updating…
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Animal, Snake, Small30115 · ×1 · Red -
Brick Arch 1 x 43659 · ×2 · Dark Gray -
Brick Special 1 x 1 with Headlight4070 · ×1 · Light Gray -
Hinge Brick 1 x 2 Base3937 · ×1 · Blue -
Hinge Brick 1 x 2 Top Plate Thin3938 · ×1 · Light Gray -
Insect, Spider30238 · ×1 · Black -
Panel 1 x 1 x 1 Corner6231 · ×2 · Black -
![Panel 1 x 2 x 1 [Square Corners]](https://cdn.rebrickable.com/media/parts/elements/486502.jpg)
Panel 1 x 2 x 1 [Square Corners]4865a · ×3 · Light Gray -
![Plant, Leaves 6 x 5 Swordleaf with Clip [Thick U Clip]](https://cdn.rebrickable.com/media/parts/elements/4113210.jpg)
Plant, Leaves 6 x 5 Swordleaf with Clip [Thick U Clip]30239 · ×1 · Green -
Plant, Round 1 x 1 - 3 Bamboo Leaves30176 · ×2 · Green -
Plate 1 x 43710 · ×2 · Light Gray -
Plate 4 x 43031 · ×1 · Black -
Plate 4 x 63032 · ×1 · Green -
Plate Special 1 x 2 with 1 Stud without Groove (Jumper)3794a · ×1 · Yellow -
Rock 1 x 1 Jewel / Gem 24 Facet30153 · ×1 · Trans-Neon Green -
Sun Disk with Molded Minifig Head71940 · ×1 · Chrome Gold -
Tile 1 x 4 with Groove2431 · ×2 · Green -
Tile 2 x 2 with Map Adventurers: Jungle and Delta Print3068bpr9955 · ×1 · Tan -
Tile Special 1 x 2 with Handle2432 · ×2 · Red -
Weapon Rifle/Gun30141 · ×1 · Dark Gray