Connection Cards (45657-1) is a Educational and Dacta LEGO set released in 2025 with 8 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. Collectors browsing Educational and Dacta sets use this inventory to verify loose parts, compare color variants, and read official build manuals without downloading PDFs. This set includes 8 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
2025
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Catalog scale
8 parts listed · 8 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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Shipping weight (est.)
~10 g for parts inventory (excludes box/minifig packaging)
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Before you buy used
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Market value
No estimate on BrickID yet
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Parts in this set
8 parts · updating…
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Activity Card 10 for Science Kits114335 · ×1 · [No Color/Any Color] -
Activity Card 11 for Science Kits114342 · ×1 · [No Color/Any Color]
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Activity Card 12 for Science Kits114343 · ×1 · [No Color/Any Color]
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Activity Card 13 for Science Kits114345 · ×1 · [No Color/Any Color]
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Activity Card 14 for Science Kits114346 · ×1 · [No Color/Any Color]
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Activity Card 15 for Science Kits114348 · ×1 · [No Color/Any Color]
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Activity Card 16 for Science Kits114349 · ×1 · [No Color/Any Color]
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Activity Card 17 for Science Kits114350 · ×1 · [No Color/Any Color]