Lot 63

LEGO Castle 70403 Dragon Mountain Construction Set

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LEGO Castle 70403 Dragon Mountain Construction Set

Estimate: $100 - $200

Starting Bid: $10

(0 Bids)

by Lloyd Ralston Gallery
June 27, 2026 10:00 AM EDT
Live Auction
549 Howe Ave.
Shelton, CT, US 06484

A LEGO Castle series building set, set number 70403, titled Dragon Mountain. Key features include a large red dragon with a posable neck, tail, and wings, and a functional catapult launcher mechanism. Based on the manufacturer packaging, the set includes five minifigures: two Dragon soldiers, one King's Knight, a wizard, and a princess. The original printed instruction manual is included. The parts are contained within a clear storage bag with the handwritten set number 70403 and 1/1. The original retail box is present. The LEGO brand logo and set number 70403 are printed on the box and instruction manual.

  • Condition: Pre-owned, opened condition. The original box shows typical shelf wear, corner blunting, and creases. The instruction manual shows signs of handling.  The original owner, an adult collector, was organized and careful to keep all the sets complete.

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Shipping

US shipping is UPS ground with full insurance unless otherwise requested. International shipping is USPS airmail priority international or first class depending on the size and weight of the parcel.

Lloyd Ralston Gallery

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Bid Increments
From: To: Increments:
$0 $399 $10
$400 $799 $25
$800 $1,199 $50
$1,200 $2,999 $100
$3,000 $4,999 $250
$5,000 $9,999 $500
$10,000 $19,999 $1,000
$20,000 $49,999 $5,000
$50,000 + $5,000