This is the Children's Wooden Toys Free Train Pack.
Only includes 3 track pieces, 1 complete track and 1 train carriage:
Which has 4096*4096 PBR material(albedo, metallic, normal)
Average poly count 550.
Complete track poly count 8724.
Which is part of the Children's Wooden Toys Train Pack, see link for details:
Children's Wooden Toys Train Pack