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LEGO® Arch 1 x 5 x 4 30099

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LEGO® Arch 1 x 5 x 4 30099

LEGO® Arch 1 x 5 x 4 is a blue architectural part with a large curved opening, stepped outer sides, and MPN 30099.

LEGO® 1 x 5 x 4 Arch Part

This arch piece creates a tall curved opening while keeping a squared outer profile for surrounding wall sections. The stepped side shape gives the part a strong architectural look without needing several smaller pieces to form the same curve.

Useful Shape for Entrances and Curved Structures

  • Large 1 x 5 x 4 arch format
  • Curved inner opening for doorways, windows, and structural details
  • Stepped outer profile for layered walls and raised sections
  • Side and underside connection points visible for stable placement

Browse more LEGO® arch pieces or explore best-selling LEGO® parts for commonly used building elements.

LEGO® Arch 1 x 5 x 4 is a blue architectural part with a large curved opening, stepped outer sides, and MPN 30099.

LEGO® 1 x 5 x 4 Arch Part

This arch piece creates a tall curved opening while keeping a squared outer profile for surrounding wall sections. The stepped side shape gives the part a strong architectural look without needing several smaller pieces to form the same curve.

Useful Shape for Entrances and Curved Structures

  • Large 1 x 5 x 4 arch format
  • Curved inner opening for doorways, windows, and structural details
  • Stepped outer profile for layered walls and raised sections
  • Side and underside connection points visible for stable placement

Browse more LEGO® arch pieces or explore best-selling LEGO® parts for commonly used building elements.

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From $0.13

Original: $0.36

-64%
LEGO® Arch 1 x 5 x 4 30099—

$0.36

$0.13

Description

LEGO® Arch 1 x 5 x 4 is a blue architectural part with a large curved opening, stepped outer sides, and MPN 30099.

LEGO® 1 x 5 x 4 Arch Part

This arch piece creates a tall curved opening while keeping a squared outer profile for surrounding wall sections. The stepped side shape gives the part a strong architectural look without needing several smaller pieces to form the same curve.

Useful Shape for Entrances and Curved Structures

  • Large 1 x 5 x 4 arch format
  • Curved inner opening for doorways, windows, and structural details
  • Stepped outer profile for layered walls and raised sections
  • Side and underside connection points visible for stable placement

Browse more LEGO® arch pieces or explore best-selling LEGO® parts for commonly used building elements.

LEGO® Arch 1 x 5 x 4 30099 | www.choose-a-brick.com