LEGO 3735 Grey Train Doors with Panes is a Bulk Bricks set from 2000 valued at $42 for new and sealed sets, up 499% from an original retail price of $6.99. Annual appreciation has averaged 4.41% since release. On the used market, values range from $34 to $40 based on condition.
LEGO 3735-1 Grey Train Doors with Panes is a Bulk Bricks Trains set released in 2000, containing 20 pieces. It includes five light gray left train doors, five light gray right train doors, and ten trans-clear panes. The elements are the 1 x 4 x 5 train door type used for constructing LEGO train cars. The set was part of the Bulk Bricks program, which offered specific elements for builders.
A new and sealed Grey Train Doors with Panes is currently valued at around $42, with annual growth of approximately 3%, which is lower than other Trains sets. The average used price is $35 for those in good overall condition. New and sealed listings currently range from $37 to $54. Based on current trends, this set could be valued near $44 within the next year.