GRG42
Ultimate Story Builders
- Year released
- 2020
- Year discontinued
- —
- Pieces
- 325
- Figures
- —
- Brand era
- MegaConstrux
- Weight
- —
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Inventory
Parts324 logged· 125 types
- ×4
Tile 1 x 2AM022501EWhite - ×1Tile 1 x 2AM022501BYEYellow, Lemon
- ×1Tile 1 x 2AM022501DHBrown
- ×1
Brick 1 x 2 half domeAM17835BBlue - ×1
Connector: pin, short with clipAM17062KMGray, Dim (Metallic) - ×1Brick 1 x 2 stone, full lips, wide eyes looking to the leftAS-GRG42-09BYEYellow, Lemon
- ×1Brick 1 x 2 stone, full lips, wide eyes looking to the leftAS-GRG42-09MULMulticolored
- ×1
Plate 2 x 2AM03773FBlack - ×2Plate 2 x 2AM03773AENMagenta, Rich
- ×8Plate 2 x 2AM03773AMCRed, Flame
- ×9Plate 2 x 2AM03773ASUTeal
- ×2Plate 2 x 2AM03773BDGGray, Dark (Flake)
- ×8Plate 2 x 2AM03773BLGGray, Dull
- ×2
Plate 1 x 1 round with horizontal pegAM01312BDGGray, Dark (Flake) - ×7
Cone 2 x 1 x 2AM1404ANYYellow, Electric - ×6
Slope brick 45 1 x 2AM01322BOROrange, Bright - ×2Slope brick 45 1 x 2AM01322AMCRed, Flame
- ×2Slope brick 45 1 x 2AM01322AENMagenta, Rich
- ×5
Brick 1 x 2AM09013BLGGray, Dull - ×5Brick 1 x 2AM09013BMGGreen, Forest
- ×1Brick 1 x 2AM09013FBlack
- ×6Brick 1 x 2AM09013AENMagenta, Rich
- ×2Brick 1 x 2AM09013ANMBrown, Golden
- ×6Brick 1 x 2AM09013ANYYellow, Electric
- ×1Brick 1 x 2AM09013AVLGreen with Speckles, Granny Smith
- ×8Brick 1 x 2AM09013BBlue
- ×1
Plate 1 x 2 with small axle pinAM18221BBlue - ×2
Slope brick 33 1 x 3AM01323AENMagenta, Rich - ×2
Slope brick 45 2 x 1AM03019AENMagenta, Rich - ×2
Brick 1 x 1 with studs on adjacent sidesAM18286ANMBrown, Golden - ×8
Plate 1 x 3AM01314ASUTeal - ×3
Brick 1 x 2 with side studsAM17502BBlue - ×1Brick 1 x 2 with side studsAM17502BLGGray, Dull
- ×2Brick 1 x 2 with side studsAM17502AMCRed, Flame
- ×1
Tile 1 x 2 with lateral notchesAM09198BLGGray, Dull - ×3
Plate 2 x 8AM08483FBlack - ×1Plate 2 x 8AM08483ASUTeal
- ×1Brick 2 x 2 with projecting side clips & blue coverallsAS-GRG42-08ASUTeal
- ×1Brick 2 x 2 with projecting side clips & blue coverallsAS-GRG42-08MULMulticolored
- ×1
Brick 1 x 2 with side studAM18601ANMBrown, Golden - ×1
Connector: pin, long with clipAM19617BLGGray, Dull - ×4
Brick 1 x 1 with half-curved topAM07659AMCRed, Flame - ×1
Wheel, Steering: round with three-point frameAM18220FBlack - ×6
Plate 1 x 6AM09292BBlue - ×5
Brick 1 x 3AM16384AMCRed, Flame - ×3
Plate 2 x 2 faceted with one central studAM73009BOROrange, Bright - ×1
Slope brick 33 2 x 3 inverseAM01139AVLGreen with Speckles, Granny Smith - ×2
Slope brick 36 2 x 1AM18549EWhite - ×1
Tile 2 x 2AM0948BBlue - ×5Tile 2 x 2AM0948BLGGray, Dull
- ×1
Brick 1 x 1AM01086BOROrange, Bright - ×5Brick 1 x 1AM01086AENMagenta, Rich
- ×2
Plate 2 x 2 with horizontal clipsAM18328FBlack - ×2
Brick 1 x 1 with rounded top and side studAM76767AVLGreen with Speckles, Granny Smith - ×1Foliage: tuft of grass on small connector pinAM76017FBlack
- ×2
Brick 1 x 1 with side studAM07629AENMagenta, Rich - ×2Brick 1 x 1 with side studAM07629BLGGray, Dull
- ×2
Brick 1 x 2 round topAM17834BBlue - ×2
Slope brick 45 2 x 2 inverseAM01154AENMagenta, Rich - ×1Slope brick 45 2 x 2 inverseAM01154DHBrown
- ×1Slope brick 45 2 x 2 inverseAM01154ANYYellow, Electric
- ×4Slope brick 45 2 x 2 inverseAM01154AMCRed, Flame
- ×2
Antenna 8H, type 01AM09323BLGGray, Dull - ×4
Brick 1 x 1 roundAM0910BYEYellow, Lemon - ×1
Brick 2 x 4AM09033AMCRed, Flame - ×1Brick 2 x 4AM09033EWhite
- ×5Brick 2 x 4AM09033BMGGreen, Forest
- ×5Brick 2 x 4AM09033BBlue
- ×1Brick 2 x 4AM09033ASUTeal
- ×1Brick 1 x 2 stone, wide blue eyes, fringe of black hairAS-GRG42-07MULMulticolored
- ×1Brick 1 x 2 stone, wide blue eyes, fringe of black hairAS-GRG42-07AUGSand, Pale
- ×4
Plate 2 x 2 with wheels holderAM17391BLGGray, Dull - ×1Brick 2 x 2 with projecting side clips & sheriff's badgeAS-GRG42-10MULMulticolored
- ×1Brick 2 x 2 with projecting side clips & sheriff's badgeAS-GRG42-10NMRose
- ×4
Tile 1 x 1 round dome, tallAM78219ZDYellow (Translucent) - ×1
Plate 1 x 1 roundAM01113AMCRed, Flame - ×2
Brick 1 x 2 half-roundAM03325BMGGreen, Forest - ×1
Brick 1 x 4AM01087AENMagenta, Rich - ×1
Plate 1 x 2AM09393BYEYellow, Lemon - ×5Plate 1 x 2AM09393BOROrange, Bright
- ×1Plate 1 x 2AM09393BBlue
- ×1
Hinge tile 2 x 2 with 4 fingersAM09268AVLGreen with Speckles, Granny Smith - ×1
Bracket 1 x 2 - 1 x 2 with studsAM18014ANMBrown, Golden - ×5
Brick 2 x 2 roundAM01320EWhite - ×1
Plate 4 x 4 round with center holeAM76367ANMBrown, Golden - ×2
Slope brick 45 1 x 1AM15258AENMagenta, Rich - ×1
Slope brick 45 2 x 1 double / 60AM19061ANYYellow, Electric - ×3Slope brick 45 2 x 1 double / 60AM19061AVLGreen with Speckles, Granny Smith
- ×1
Bar 1 x 4AM09931BLGGray, Dull - ×2
Plate 2 x 3AM03772ASUTeal - ×7Plate 2 x 3AM03772BYEYellow, Lemon
- ×1Brick 2 x 2 with projecting side clipsAM80900AVLGreen with Speckles, Granny Smith
- ×1
Slope plate 25 2 x 1 x 2AM78189BBlue - ×8Wheel, Assembled, Small: single stud on hub, smooth tireAS-GRG42-12APGGray, Steel
- ×8Wheel, Assembled, Small: single stud on hub, smooth tireAS-GRG42-12MULMulticolored
- ×1
Panel 1 x 1 x 2AM07228AGYClear, Smoky (Translucent) - ×2Panel 1 x 1 x 2AM07228AMCRed, Flame
- ×1
Panel 1 x 1 x 4AM17521AGYClear, Smoky (Translucent) - ×2Body part: horn/tooth on small pinAM72384FBlack
- ×2
Slope brick 25 1 x 4AM16959AVLGreen with Speckles, Granny Smith - ×1
Antenna, whip on small pegAM18222FBlack - ×1Brick 2 x 2 with projecting side clips & robotic chest displayAS-GRG42-11BLGGray, Dull
- ×1Brick 2 x 2 with projecting side clips & robotic chest displayAS-GRG42-11MULMulticolored
- ×4
Slope brick 36 1 x 1AM17127BOROrange, Bright - ×2
Brick 1 x 2 two-thirds-height with half-curved topAM03017ANMBrown, Golden - ×1Brick 1 x 2 two-thirds-height with half-curved topAM03017DHBrown
- ×1Brick 1 x 2 two-thirds-height with half-curved topAM03017EWhite
- ×2
Slope brick 45 2 x 2AM10273BMGGreen, Forest - ×2Slope brick 45 2 x 2AM10273AENMagenta, Rich
- ×6Slope brick 45 2 x 2AM10273ANMBrown, Golden
- ×1Slope brick 45 2 x 2AM10273DHBrown
- ×4
Plate 2 x 4AM09493BMGGreen, Forest - ×8Plate 2 x 4AM09493AMCRed, Flame
- ×1Plate 2 x 4AM09493ANMBrown, Golden
- ×1Plate 2 x 4AM09493AVLGreen with Speckles, Granny Smith
- ×4
Cone 1 x 1 with open topAM08412BOROrange, Bright - ×2
Slope brick 25 1 x 1 with open stud on slopeAM72001BMGGreen, Forest - ×1
Brick 2 x 2AM09023AVLGreen with Speckles, Granny Smith - ×5Brick 2 x 2AM09023BMGGreen, Forest
- ×2Brick 2 x 2AM09023BTNSand, Dark
- ×1Brick 2 x 2AM09023ANMBrown, Golden
- ×1Brick 2 x 2AM09023AMCRed, Flame
- ×1Weapon, Firearm: pistol, revolver, .357 MagnumAM75484AENMagenta, Rich
- ×1
Hinge plate 2 x 2 with 5 fingersAM09267AVLGreen with Speckles, Granny Smith - ×2
Slope brick 33 2 x 3AM04497AENMagenta, Rich
Instructions1 logged· 1 type
- ×1
Instruction booklet for GRG42 Ultimate Story BuildersAD-GRG42-01MULMulticolored
Packaging1 logged· 1 type
- ×1Original packaging for GRG42 Ultimate Story BuildersBOX-GRG42MULMulticolored
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/4029/grg42-ultimate-story-builders-2020 ↗
- Mattel customer serviceGRG42 ↗
- Mattel instruction PDFhttps://service.mattel.com/instruction_sheets/GRG42.pdf ↗