Medium First Tools for Technology Set
9103-1
Released: 1994 · Parts: 56 · Theme: Duplo and Explore
Medium First Tools for Technology Set (9103-1) is a Duplo and Explore LEGO set released in 1994 with 56 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. Collectors browsing Duplo and Explore sets use this inventory to verify loose parts, compare color variants, and read official build manuals without downloading PDFs. This set includes 25 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
1994 (32 years ago — may be retired)
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Catalog scale
56 parts listed · 25 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.)
~282 g for parts inventory (excludes box/minifig packaging)
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Before you buy used
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Market value
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Parts in this set
25 parts · updating…
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Duplo Brick 2 x 23437 · ×2 · Yellow -
Duplo Brick 2 x 23437 · ×2 · Red -
Duplo Brick 2 x 2 with Eye with White Spot Print, on Two Sides - Type 13437pr0067 · ×1 · Yellow -
Duplo Brick 2 x 3 with Curved Top2302 · ×2 · Red -
Duplo Brick 2 x 3 with Curved Top2302 · ×2 · Yellow -
Duplo Brick 2 x 43011 · ×2 · Red -
Duplo Brick 2 x 43011 · ×1 · Yellow -
Duplo Brick 2 x 4 x 2 Rounded Ends4198 · ×1 · Blue -
Duplo Brick 2 x 4 x 2 Rounded Ends, with Two Rotating Eyes4258c01 · ×1 · Red -
Duplo Brick 2 x 6 x 2 with Curved Ends4197 · ×1 · Blue -
Duplo Toolo Arm 2 x 6 with Triangular Screw at Both Ends6279 · ×1 · Blue -
Duplo Toolo Arm 2 x 6 with Triangular Set Screw and Clip Ends74847 · ×3 · Blue -
Duplo Toolo Arm with Fake Pulley and Hook6295 · ×1 · Yellow -
Duplo Toolo Brick 2 x 2 with Angled Bracket with Forks and 2 Screws6284c01 · ×3 · Blue -
Duplo Toolo Brick 2 x 2 with Angled Bracket with Forks and 2 Screws6284c01 · ×2 · Red -
Duplo Toolo Brick 2 x 2 with Holes and Clip on Bottom74957 · ×1 · Yellow -
Duplo Toolo Brick 2 x 2 with Holes and Clip on Bottom74957 · ×1 · Red -
Duplo Toolo Brick 2 x 5 with 8 Side Screw Sockets, Swivel Bracket End and Clip End6288c01 · ×2 · Red -
Duplo Toolo Brick 2 x 5 with 8 Side Screw Sockets, Swivel Bracket End and Clip End6288c01 · ×1 · Blue -
Duplo Toolo Brick with Screw 2 x 2, with Angled Arm with Clip6285 · ×3 · Blue -
Duplo Toolo Brick with Screw 2 x 2, with Angled Arm with Clip6285 · ×4 · Red -
Duplo Toolo Digger Bucket with 3 teeth6310 · ×1 · Yellow -
Duplo Toolo Tool Screwdriver74864 · ×2 · Black -
Duplo Toolo Tyre / Tire6292 · ×8 · Black -
Duplo Toolo Wheel with Connector Pin6290 · ×8 · Black