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Compatible with / aftermarket for products by Mattel, Inc. Not affiliated with, endorsed, or sponsored by Mattel, Mega Brands, or any franchise rights-holder.

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3731 · SNAKE Mobile Defense Unit · BlokBlok

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3731

3731

SNAKE Mobile Defense Unit

Year released: 2006
Year discontinued: —
Pieces: 243 logged
Figures: —
Brand era: —
Weight: —
Retail price (USD): —

Details incomplete · missing Brand era, Weight

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Inventory

243 parts logged · no official count to compare

Parts243 logged· 82 types

×1Plate 6 x 8, newAM02237DRSand, Desert
×1

Item catalogued 2026-05-08. No community contributions yet. Be the first to suggest an edit, image, or inventory line.

Instructions

ScanInstructions on github.com↗

Sources & cross-references (3)

Community instruction archive (GitHub)micro/probuilder/3731.pdf ↗
Bricker.infohttps://bricker.info/osets/MEGABLOKS/3731/ ↗
Bloksforum threadhttps://bloksforum.freeforums.net/thread/3254/3731-snake-mobile-defense-unit ↗

Decal sheet for 3731 SNAKE Mobile Defense UnitAL037311

MULMulticolored

×1Brick 2 x 2 round with holeAM04217JGGray, Dark

×8Brick 1 x 2AM09013DRSand, Desert

×4Brick 1 x 2AM09013JGGray, Dark

×1Brick 4 x 6 two-thirds-heightAM03015DRSand, Desert

×12Slope brick 33 1 x 2AM04430FBlack

×1Door 1 x 3 x 4, rightAM02189DRSand, Desert

×3Slope 45 2 x 1AM03019FBlack

×1Plate 8 x 8, oldAM1128DRSand, Desert

×1Hinge tile 1 x 4 baseM1389DRSand, Desert

×1Bracket 1 x 1 - 1 x 1 with studAM04428JGGray, Dark

×6Bracket 1 x 1 - 1 x 1 with studAM04428FBlack

×1Slope brick 33 4 x 4 inverseAM04244FBlack

×3Hinge plate 2 x 3 with offset handle, topAM03091DRSand, Desert

×2Windscreen 4 x 2 x 2 with slightly recessed faceAM07013WAGray, Dark (Translucent)

×1Door 4 x 2 x 4, hatch cover, type 02AM07019DRSand, Desert

×3Brick 1 x 2 with vertical cutout and six notchesM1133FBlack

×3Brick 1 x 2 with vertical cutout and six notchesM1133JGGray, Dark

×6Wheel, Tire, Large: fits AM07015AM07014FBlack

×6Brick 2 x 2 two-thirds-height with axleAM02783FBlack

×2Fixture: chair 2 x 4 x 3, cushioned with arm restsAM07010FBlack

×4Plate 2 x 12M1172FBlack

×2Plate 2 x 12M1172DRSand, Desert

×1Brick 4 x 16 x 2/3 HeightAM01530DRSand, Desert

×1Brick 1 x 4AM1087FBlack

×7Brick 1 x 4AM1087DRSand, Desert

×1Brick 2 x 2 round domeAM04245JGGray, Dark

×2Slope brick 45 2 x 2 inverseAM01154FBlack

×6Plate 1 x 1 roundAM1113WClear (Translucent)

×2Plate 1 x 1 roundAM1113KCOrange (Translucent)

×2Plate 1 x 1 roundAM1113XRed (Translucent)

×1Brick 2 x 8AM04984DRSand, Desert

×2Plate 1 x 1 - Type 03AM03328JGGray, Dark

×7Tile 2 x 2M0948JGGray, Dark

×4Brick Round 1 x 1 with Solid StudAM0910FBlack

×2Brick 2 x 4AM09033FBlack

×1Brick 2 x 4AM09033JGGray, Dark

×14Brick 2 x 4AM09033DRSand, Desert

×2Weapon, Missile: launcher on 2 x 3 base with red buttonAS037313DRSand, Desert

×1Wheel, Steering: small type 01AM02767DRSand, Desert

×2Brick 2 x 6 two-thirds-height, armor panel with six vertical cylindersAM07020DRSand, Desert

×1Weapon, Firearm: machine gun with stud attachment pointAM02913MMGray, Dark (Metallic)

×4Slope brick 70 1 x 5 x 2AM03767DRSand, Desert

×2Antenna 7H, type 01M1147FBlack

×5Plate 1 x 2AM09393DRSand, Desert

×1Plate 1 x 2AM09393JGGray, Dark

×1Plate 2 x 4 w/ Rounded Corner- LeftAM03324DRSand, Desert

×2Weapon, Missile: surface-to-surface, dark gray with red noseconeAS037314MULMulticolored

×4Plate 2 x 3AM03772DRSand, Desert

×1Plate 2 x 3AM03772JGGray, Dark

×2Brick 1 x 6AM1313DRSand, Desert

×2Hinge plate 1 x 4 with 2 pairs of 3 fingersM1390DRSand, Desert

×1Door 1 x 3 x 4, leftAM02190DRSand, Desert

×3Bar 1 x 8 Short Railing Fence with 2 StudsAM01797FBlack

×4Slope panel 45 2 x 3 doubleM1367DRSand, Desert

×1Weapon, Armor: windshield blast screen on hingeAM07009FBlack

×2Brick 1 x 2 with hole and open backM1419FBlack

×3Tile 1 x 4 railingAM01847FBlack

×2Tile 1 x 2M022501FBlack

×1Tile 1 x 2M022501JGGray, Dark

×6Bracket 2 x 2 - 2 x 2 with studsAM1141FBlack

×2Bracket 2 x 2 - 2 x 2 with studsAM1141DRSand, Desert

×1Bracket 2 x 2 - 2 x 2 with studsAM1141JGGray, Dark

×1Tile 2 x 2 Round w/ Bottom Center Stud ConnectionAM02215FBlack

×1Plate 2 x 4 with rounded left cornerAM03323DRSand, Desert

×2Hinge plate 2 x 8 with offset handle, baseAM03555DRSand, Desert

×8Plate 2 x 6AM1480DRSand, Desert

×1Wheel, Steering: small type 01, mounting plateAM02768DRSand, Desert

×2Turntable 2 x 2 (assembled)AS037312JGGray, Dark

×6Wheel, Rim, Large: utility vehicleAM07015DRSand, Desert

×11Brick 1 x 1AM1086JGGray, Dark

×4Plate 1 x 1 round with vertical clipM1225FBlack

×1Bracket 2 x 2 - 2 x 2 with holesM1153JGGray, Dark

×6Plate 2 x 4AM09493DRSand, Desert

×1Plate 2 x 4AM09493JGGray, Dark

×7Plate 2 x 4AM09493FBlack

×1Plate 1 x 4AM09593FBlack

×5Plate 1 x 4AM09593DRSand, Desert

×1Hinge plate 2 x 3 with offset handle, baseAM1142JGGray, Dark

×1Brick 2 x 2AM09023JGGray, Dark

×1Brick 2 x 10AM04985FBlack

Instructions1 logged· 1 type

×1Instruction booklet for 3731 SNAKE Mobile Defense UnitAD037311

Packaging1 logged· 1 type

×1Original packaging for 3731 SNAKE Mobile Defense UnitBOX-3731

Price history(last 6 months)

No completed sales in the last 6 months.