LEGO 1221 Yellow Beams is a vintage Service Packs set from 1982 valued at $8 for new and sealed sets, up 102% from an original retail price of $3.99. Annual appreciation has averaged 1.61% since release. Used copies are valued between $7 and $11 depending on condition.
LEGO 1221-1 Yellow Beams, also known as Yellow TECHNIC Beams, is a Service Packs Technic set released in 1982 that contains 8 pieces. The set is a small parts pack made up of four yellow 1 x 12 Technic bricks with holes and four yellow 1 x 16 Technic bricks with holes. It was issued as a supplementary Technic element pack intended to provide extra structural beams for building and rebuilding Technic models.
A new and sealed Yellow Beams is currently valued at around $8, with annual growth of approximately 1%, which is lower than other Technic sets. The average used price is $7 for those in good overall condition. Based on current trends, this set could be valued near $8 within the next year. New and sealed listings currently range from $8 to $13.