GNB21
Skiff Intercept
- Year released
- 2020
- Year discontinued
- —
- Pieces
- 452
- Figures
- 4
- Brand era
- MegaConstrux
- Weight
- —
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Price history(last 6 months)
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Inventory
Minifigures2 logged· 2 types
- ×1Figure, Halo: UNSC Spartan MK VIIFIG-GNB21-AMULMulticolored
- ×1Figure, Halo: Covenant Grunt conscriptFIG-GNB21-CMULMulticolored
Parts430 logged· 135 types
- ×8
Brick 1 x 2 with axle holeAM79877APGGray, Steel - ×1Slope Plate 45 2 x 2 wedge with mudguard, rounded, leftAM75151APGGray, Steel
- ×2
Connector: pipe, small with pinMA74397FBlack - ×2
Connector: pin, small with perpendicular hand gripMA19650ALGGray, Dark Smoke - ×3
Plate 1 x 8MA18298AKMRed, Dark (Flake) - ×4
Plate 2 x 6MA1480APGGray, Steel - ×2
Hinge panel, small faceted vane on clipAM17869BTNSand, Dark - ×2Hinge panel, small faceted vane on clipAM17869AKMRed, Dark (Flake)
- ×4
Plate 1 x 5MA07475ALGGray, Dark Smoke - ×2
Connector: pin, short with clipMA17062AKMRed, Dark (Flake) - ×3
Plate 1 x 2 with backswept mudguard, rightAM75154APGGray, Steel - ×1
Weapon, Missile: launcher 1 x 1 x 3, friction launcherAM78599AWCGray, Dark (Metallic Camo) - ×3
Bracket 2 x 2 - 2 x 2 sloped with studsAM16653AKMRed, Dark (Flake) - ×1Bar 1 x 6AM72033APGGray, Steel
- ×8
Plate 1 x 2 with two studs on side, ascendingAM79070APGGray, Steel - ×2
Slope brick 33 2 x 3 curved slopeMA17021APGGray, Steel - ×2
Plate 1 x 6MA09292ALGGray, Dark Smoke - ×8
Brick 1 x 1 x 2 two-thirds height with curved slopeAM78486APGGray, Steel - ×1
Plate 2 x 4 wedge with notch, leftMA09487APGGray, Steel - ×10
Slope brick 45 1 x 1 with 1 x 1 plateMA18740AWCGray, Dark (Metallic Camo) - ×2Gearing, wheel with 16 teeth and axle holeAM79702FBlack
- ×1Engine component: intake duct 4 x 4 round base w/ extended cowlAM72431ALGGray, Dark Smoke
- ×1Slope brick 33 3 x 5 double / 45 inverse, rightAM17007AKMRed, Dark (Flake)
- ×2MA01141MA01141APGGray, Steel
- ×3Figure, Halo: Covenant Hunter, headAS9683307MULMulticolored
- ×1
Plate 2 x 4 with corner cut-outs & single stud at either endAM77180APGGray, Steel - ×3
Plate 2 x 6 wedge, rightMA72010APGGray, Steel - ×1
Plate 2 x 2 round with axle holeAM19646FBlack - ×2
Plate 1 x 1 with opposing side studsAM78273APGGray, Steel - ×1
Miscellaneous: blok separator ''building tool''AM80855MCXOrange, Marigold - ×1Gearing, wheel with 12 teeth and axle hole partway throughAM80547BTNSand, Dark
- ×6
Plate 2 x 2 cornerMA15484APGGray, Steel - ×1
Bar 1 x 4MA09931APGGray, Steel - ×3
Plate 2 x 6 wedge, leftMA72011APGGray, Steel - ×2
Slope brick 45 1 x 2MA1322BTNSand, Dark - ×2
Plate 4 x 4MA17054AKMRed, Dark (Flake) - ×6
Plate 2 x 2MA03773AWCGray, Dark (Metallic Camo) - ×1
Plate 3 x 6 with cutoutsAM17063ALGGray, Dark Smoke - ×14
Plate 1 x 1MA03328APGGray, Steel - ×12
Plate 1 x 3MA01314APGGray, Steel - ×1Figure, Halo: Covenant Brute Warrior, right shoulder armorFIG-GNB21-BMULMulticolored
- ×4Gearing, bushing, small with axle holeAM79915APGGray, Steel
- ×2
Brick 4 x 4 round with axleholeAM15512ALGGray, Dark Smoke - ×8MA01312MA01312FBlack
- ×5
Plate 2 x 2 with rounded bottomAM17057WClear (Translucent) - ×6Plate 1 x 2 with ball socket on end, smallAM80765ALGGray, Dark Smoke
- ×4
Brick 1 x 1 x 2 curved slopeMA17788APGGray, Steel - ×2
Plate 1 x 1 with horizontal connector pipe, hollowMA76058APGGray, Steel - ×3
Plate 2 x 3 without corner, leftAM76206APGGray, Steel - ×2Plate 2 x 3 without corner, leftAM76206AKMRed, Dark (Flake)
- ×2
Plate 1 x 1 with one stud on side, descendingMA77574APGGray, Steel - ×8
Plate 1 x 2 with two studs on side, descendingMA76467APGGray, Steel - ×4
Plate 1 x 1 with one stud on side, ascendingAM79590APGGray, Steel - ×1
Weapon, Firearm: UNSC Bulldog ShotgunAM80853FBlack - ×1Plate 12 x 16 wedge with raised 4 x 4 platform at one endAM80989AWCGray, Dark (Metallic Camo)
- ×8
Plate 1 x 1 round with horizontal pinMA1312FBlack - ×2Weapon, Firearm: Covenant Brute Mangler with rotating drumAS-GNB21-07MMGray, Dark (Metallic)
- ×2Weapon, Firearm: Covenant Brute Mangler with rotating drumAS-GNB21-07MULMulticolored
- ×6
Plate 1 x 1 with horizontal clipMA74415FBlack - ×6
Plate 1 x 2 with ball joint on end, smallAM78276ALGGray, Dark Smoke - ×1
Plate 8 x 8, newMA18556AWCGray, Dark (Metallic Camo) - ×1
Connector: axle 3 studs longAM79876FBlack - ×4
Plate 2 x 2 round connector: male:maleMA19380AKMRed, Dark (Flake) - ×3
Plate 3 x 3 without corner, front rightAM18282APGGray, Steel - ×2
Brick 1 x 3MA16384AWCGray, Dark (Metallic Camo) - ×8
Connector: pipe, small 3 studs long elbowMA74645ALGGray, Dark Smoke - ×2
Tile 1 x 3 missing two cornersAM76450AWCGray, Dark (Metallic Camo) - ×10
Connector: pin, small with hand gripMA76060ALGGray, Dark Smoke - ×2
Tile 1 x 4MA09838APGGray, Steel - ×4Tile 1 x 4MA09838ALGGray, Dark Smoke
- ×1
Connector: pin, smallMA17003APGGray, Steel - ×1Slope brick 33 3 x 5 double / 45 inverse, leftAM17008AKMRed, Dark (Flake)
- ×2
Slope brick 45 2 x 2 inverseMA1154APGGray, Steel - ×6
Tile 1 x 2 with 1H tailMA18269AWCGray, Dark (Metallic Camo) - ×3
Plate 3 x 3 without corner, front leftAM18283APGGray, Steel - ×1
Slope panel 2 x 4 double taperedAM08416AWCGray, Dark (Metallic Camo) - ×1
Weapon, Missile: launcher 1 x 1 x 3, friction launcher, triggerAM78600AWCGray, Dark (Metallic Camo) - ×1
Plate 2 x 3 wedge with mudguard, leftAM17001APGGray, Steel - ×1
Weapon, Firearm: Type-25 Directed Energy, Covenant plasma pistolAM75907ARMPurple, Rich - ×1
Plate 2 x 3 wedge with mudguard, rightAM17000APGGray, Steel - ×2Tile 3 x 4 without left corner printed w/ battle damage detailAS-GNB21-03APGGray, Steel
- ×2Tile 3 x 4 without left corner printed w/ battle damage detailAS-GNB21-03MULMulticolored
- ×1Connector: axle 7 studs longAM80830FBlack
- ×1
Plate 1 x 2 Connector: male:maleMA16680APGGray, Steel - ×2
Slope brick 45 2 x 1 double / 60AM19061ALGGray, Dark Smoke - ×1Figure, Halo: Covenant Brute Warrior, left shoulder armorFIG-GNB21-DMULMulticolored
- ×10
Plate 2 x 4MA09493APGGray, Steel - ×1
Plate 2 x 4 wedge with notch, rightMA09488APGGray, Steel - ×8Bracket 2 x 2 - 2 x 2 sloped with studs, inverseAM80890APGGray, Steel
- ×6
Plate 1 x 4MA09593APGGray, Steel - ×1Slope brick 45 6 x 6 corner roundAM76221APGGray, Steel
- ×1Slope Plate 45 2 x 2 wedge with mudguard, rounded, rightAM75152APGGray, Steel
- ×2
Slope brick 45 1 x 2AM1322BTNSand, Dark - ×2
Plate 2 x 3 without corner, rightAM76205AKMRed, Dark (Flake) - ×3Plate 2 x 3 without corner, rightAM76205APGGray, Steel
- ×3
Connector: medium ball joint on long pinAM78601AQDGreen, Ooze (Translucent) - ×1Connector: axle 12 studs longAM80914FBlack
- ×3
Slope brick 36 2 x 1 with open studs on slopeAM18272ALGGray, Dark Smoke - ×2
Bar 2 studs long with perpendicular pegsMA18597ALGGray, Dark Smoke - ×1
Plate 4 x 10 wedge, leftAM16648AKMRed, Dark (Flake) - ×5
Slope brick 36 1 x 1MA17127APGGray, Steel - ×4
Plate 1 x 2MA09393AKMRed, Dark (Flake) - ×11Plate 1 x 2MA09393AWCGray, Dark (Metallic Camo)
- ×12
Plate 1 x 3MA1314APGGray, Steel - ×2Engine component: intake duct 1 x 3 curved slope w/ blue detailAS-GNB21-05MULMulticolored
- ×2Engine component: intake duct 1 x 3 curved slope w/ blue detailAS-GNB21-05APGGray, Steel
- ×1
Plate 2 x 4 with studs at end and hole at centerAM79871AWCGray, Dark (Metallic Camo) - ×8
Plate 2 x 3MA03772APGGray, Steel - ×2Plate 2 x 3MA03772AKMRed, Dark (Flake)
- ×9Plate 2 x 3MA03772AWCGray, Dark (Metallic Camo)
- ×2
Slope brick 33 1 x 3 curved slopeMA07230AKMRed, Dark (Flake) - ×2
Slope brick 25 1 x 4 with studs on slopeAM77199AWCGray, Dark (Metallic Camo) - ×1
Plate 4 x 10 wedge, rightAM16647AKMRed, Dark (Flake) - ×1
Tile 1 x 2MA022501APGGray, Steel - ×4
Tile 3 x 3 corner with round cutoutAM78472APGGray, Steel - ×1
Weapon, Firearm: Halo Shock RifleAM80852ATVBlue, Smoke (Flake) - ×2
Connector: pin, long with clipMA19617APGGray, Steel - ×4Tile 1 x 2 printed with two transverse yellow stripesAS-GNB21-01APGGray, Steel
- ×4Tile 1 x 2 printed with two transverse yellow stripesAS-GNB21-01MULMulticolored
- ×4
Plate 2 x 2 corner with rounded cornersMA16972APGGray, Steel - ×4
Engine component: intake turbine 3 x 3AM72240AAVBlue, Medium (Translucent) - ×4
Plate 2 x 6 irregularMA76357ANWSand, Dark (Camo) - ×2Slope brick 45 2 x 1 double / 60 with vertical yellow stripeAS-GNB21-04APGGray, Steel
- ×2Slope brick 45 2 x 1 double / 60 with vertical yellow stripeAS-GNB21-04MULMulticolored
- ×3
Plate 1 x 2 with backswept mudguard, leftAM75153APGGray, Steel - ×1
Plate 2 x 2 round with descending pegAM79018AWCGray, Dark (Metallic Camo) - ×1
Plate 2 x 4 with holes through corner studsAM79019AWCGray, Dark (Metallic Camo) - ×2
Slope brick 45 1 x 2MA01322BTNSand, Dark - ×2
Bracket 2 x 2 - 2 x 2 with studsMA1141APGGray, Steel - ×1Cylinder 4 x 4.33 x 4 hollow with turntable mountAM17609APGGray, Steel
- ×2Tile 3 x 4 without right corner printed w/ battle damage detailAS-GNB21-02APGGray, Steel
- ×2Tile 3 x 4 without right corner printed w/ battle damage detailAS-GNB21-02MULMulticolored
- ×1Gearing, wheel with 12 teeth and axle holeAM79873FBlack
- ×1
Slope brick 25 2 x 2 inverseMA18223APGGray, Steel - ×2
Slope brick 36 2 x 1MA18549AWCGray, Dark (Metallic Camo)
Instructions1 logged· 1 type
- ×1
Instruction booklet for GNB21 Skiff InterceptD-GNB21-01MULMulticolored
Packaging1 logged· 1 type
- ×1Original packaging for GNB21 Skiff InterceptBOX-GNB21MULMulticolored
Item catalogued 2026-05-08. No community contributions yet. Be the first to suggest an edit, image, or inventory line.
Sources & cross-references (3)
- Bloksforum theme threadhttps://bloksforum.freeforums.net/thread/4282/gnb21-skiff-intercept-2020 ↗
- Mattel customer serviceGNB21 ↗
- Mattel instruction PDFhttps://service.mattel.com/instruction_sheets/GNB21.pdf ↗