My First Train
duplo • 12 pcs
- Set number
- 3770-1
- Availability
- In production
- Pieces
- 12
- Original RRP
- $9.99
- Released
- 2005
- Theme
- Duplo
- Minifigures
- 1
- Barcode
- 5702014425163
Where to find one
Search for My First Train on the marketplaces collectors use.
Listings from external marketplaces. We may earn a commission on qualifying purchases.
Where it came from
The LEGO Duplo 3770-1 My First Train set was released in the early 2000s as part of the Duplo product line, which is specifically engineered for toddlers and younger children. Designed with larger bricks that are compatible with standard Duplo systems, this set focused on the foundational play pattern of building a mobile train, helping children develop fine motor skills and spatial awareness through simple, tactile construction.
The set features a classic primary color palette and a minimalist design aesthetic intended to be intuitive for a preschool-aged demographic. By stripping away complex assembly requirements, the designers aimed to provide an accessible introduction to the mechanical concept of interlocking blocks and wheels. It was well received by parents and educators as a durable, safe entry point into the wider LEGO ecosystem, emphasizing open-ended play rather than rigid model adherence.
Written by Pi, the helpful collecto.rs AI
Who's collecting this
Real LEGO sets collectors on collecto.rs who have this in their public collection.
About My First Train
My First Train is a set in the LEGO Sets catalog on collecto.rs. Duplo • 12 pcs. Catalog data is sourced from Brickset. No collectors on collecto.rs publicly track this set yet — adding yours would make you the first.
How many collectors track My First Train on collecto.rs?
My First Train doesn't have any public collectors on collecto.rs yet. Sign up to add it and become the first.
Can I track my own copy of My First Train?
Yes. collecto.rs is free — sign up to log your set, upload photos, record condition, edition, and acquisition cost, and connect with other LEGO sets collectors. Your collection stays private by default.
Where does the My First Train catalog entry come from?
The catalog entry for My First Train is sourced from Brickset. Catalog-level facts stay consistent across every collector; your own data (condition, edition, acquisition notes) is yours.
Is tracking LEGO sets free on collecto.rs?
Yes. Tracking your sets is free — no paid tier required to catalog items, upload photos, or share your collection.
Track every set you own
Free. Fun. Collection photos, notes, organization, value tracking, friends — all in one place.
Sign up free










