LEGO MOC Portal Companion Cube by Mahj

LEGO MOC MOC-0259 Portal Companion Cube - building instructions and parts list

LEGO Dimensions Chell's Companion Cube Portal 2 71203

LEGO Dimensions Chell's Companion Cube Portal 2 71203

LEGO IDEAS - Thinking with Portals!

Lego Portal Gun, Chell Figure and Companion Cube : 4 Steps

Lego Portal Gun, Chell Figure and Companion Cube : 4 Steps

MOC-0259 Portal Companion Cube with 98 pieces

Lego Portal Gun, Chell Figure and Companion Cube : 4 Steps

LEGO MOC Expanding cube by jemunoz0

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MOC-15826 Power Up Mushrooms and Question Box Portal Companion

MOC-0259 Portal Companion Cube with 98 pieces

Companion Cube, LEGO Dimensions Wiki

Lego Portal Gun, Chell Figure and Companion Cube : 4 Steps