Young Dimetrodon (The Two-Toothed) (6725-1) is a Dinosaurs LEGO set released in 2001 with 20 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. Collectors browsing Dinosaurs sets use this inventory to verify loose parts, compare color variants, and read official build manuals without downloading PDFs. This set includes 13 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
2001 (25 years ago — may be retired)
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Catalog scale
20 parts listed · 13 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.)
~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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Parts in this set
13 parts · updating…
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Animal / Creature Body Part, Dinosaur / Dragon Arm, Left6128 · ×1 · Sand Blue -
Animal / Creature Body Part, Dinosaur / Dragon Arm, Right6127 · ×1 · Sand Blue -
Animal / Creature Body Part, Neck / Tail, S Curve with Pin40396 · ×1 · Sand Blue -
Animal Body Part / Plant, Tail / Claw / Horn / Branch / Tentacle, End Section40379 · ×1 · Sand Blue -
Animal Body Part, Dinosaur, Back Sail 8 x 2 x 540385 · ×1 · Dark Gray -
Animal Body Part, Dinosaur, Head, Small40384 · ×1 · Sand Blue -
Brick Sloped 33° 3 x 23298 · ×2 · Sand Blue -
Brick Sloped 45° 2 x 1 with Bottom Pin3040b · ×2 · Light Gray -
Brick Sloped 45° 2 x 23039 · ×2 · Dark Gray -
Brick Sloped Inverted 45° 2 x 13665 · ×2 · Dark Gray -
Plate 2 x 63795 · ×1 · Light Gray -
![Technic Brick 1 x 2 [1 Pin Hole]](https://cdn.rebrickable.com/media/parts/elements/4114529.jpg)
Technic Brick 1 x 2 [1 Pin Hole]3700 · ×4 · Dark Gray -
Technic Pin 1/24274 · ×1 · Light Gray