Robotops (8500 + 8501 + 8502 + 8503)
C8500-1
Released: 1999 · Parts: 96 · Theme: Throwbot Slizer
Robotops (8500 + 8501 + 8502 + 8503) (C8500-1) is a Throwbot Slizer LEGO set released in 1999 with 96 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. Collectors browsing Throwbot Slizer sets use this inventory to verify loose parts, compare color variants, and read official build manuals without downloading PDFs. This set includes 38 unique part types.
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Buying checklist
Quick context before you buy this set used or verify a marketplace listing.
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Release year
1999 (27 years ago — may be retired)
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Catalog scale
96 parts listed · 38 inventory lines tracked
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Minifigures
No minifigs in inventory (brick-only or Technic set)
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Build manual
No digital manual in our catalog — check the box tab or LEGO.com
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Gray era
Pre-2004 set — may use old light/dark gray instead of bluish gray
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Shipping weight (est.)
~184 g for parts inventory (excludes box/minifig packaging)
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Before you buy used
Run the completion checker, compare photos to the inventory, and check live listings for sealed pricing
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Market value
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Parts in this set
38 parts · updating…
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Large Figure Skeletal, Arm Forked with Flexible Center and Ball Joint32168 · ×1 · Dark Turquoise -
Large Figure Skeletal, Arm Forked with Flexible Center and Ball Joint32168 · ×1 · Blue -
Large Figure Skeletal, Limb, Angular, 2 x 7 with 2 Ball Joints32173 · ×3 · Black -
Large Figure Skeletal, Limb, Angular, 2 x 7 with 2 Ball Joints32173 · ×3 · Blue -
Large Figure Skeletal, Limb, Angular, 2 x 7 with 2 Ball Joints32173 · ×2 · White -
Technic Axle 1.5 with Perpendicular Axle Connector (Technic Pole Reverser Handle)6553 · ×2 · Yellow -
Technic Axle 2 Notched32062 · ×6 · Black -
Technic Axle 43705 · ×3 · Black -
Technic Axle 532073 · ×4 · Black -
Technic Axle 63706 · ×6 · Black -
Technic Axle Connector 2 x 3 with Ball Socket, Open Sides32174 · ×7 · Medium Blue -
Technic Axle Connector 2 x 3 with Ball Socket, Open Sides32174 · ×3 · Blue -
Technic Axle Connector 2 x 3 with Ball Socket, Open Sides32174 · ×4 · Red -
Technic Axle Pin without Friction Ridges Lengthwise3749 · ×4 · Light Gray -
Technic Block 3 x 6 x 1 & 2/332165 · ×2 · Medium Blue -
Technic Block 3 x 6 x 1 & 2/332165 · ×1 · Dark Turquoise -
Technic Block 3 x 6 x 1 & 2/332165 · ×1 · Red -
Technic Bush3713 · ×1 · Light Gray -
Technic Bush 1/2 Smooth with Axle Hole Reduced32123a · ×7 · Light Gray -
Technic Gear 24 Tooth [New Style with Single Axle Hole]3648b · ×1 · Blue -
Technic Gear 24 Tooth [New Style with Single Axle Hole]3648b · ×1 · Yellow -
Technic Gear 40 Tooth3649 · ×1 · Red -
Technic Gear 40 Tooth3649 · ×1 · White -
Technic Gear 8 Tooth3647 · ×1 · Rust -
Technic Gear 8 Tooth3647 · ×2 · Blue -
Technic Gear 8 Tooth3647 · ×1 · Yellow -
Technic Gearbox Half32166 · ×2 · White -
Technic Gearbox Half32166 · ×4 · Black -
Technic Gearbox Half32166 · ×2 · Blue -
Technic Pin Connector Block 3 x 3 x 132172 · ×2 · Red -
Technic Pin Connector Block 3 x 3 x 132172 · ×2 · Medium Blue -
Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole]32054 · ×2 · Dark Turquoise -
Technic Pin with Friction Ridges Lengthwise and Center Slots2780 · ×6 · Black -
Technic Worm Gear4716 · ×1 · Rust -
Technic Worm Gear4716 · ×1 · Blue -
Technic Worm Gear4716 · ×2 · Yellow -
Wave / Flame Rounded with Base Pegs6126a · ×2 · Trans-Neon Orange -
Weapon Spear Gun with Rounded Trigger and Thin Spear Base30088 · ×1 · Yellow