LEGO 802 Gear Supplement is a vintage Universal Building Set set from 1970 valued at $55 for new and sealed sets, up 2361% from an original retail price of $2.25. Annual appreciation has averaged 3.59% since release. On the used market, values range from $9 to $19 based on condition.
LEGO 802-1 Gear Supplement is a Universal Building Set / Gears set released in 1970, containing 30 pieces. It is an accessory pack centered on early gear-driven construction, with 9-tooth, 15-tooth, and 21-tooth gears designed with axle holes for use in mechanical builds. The set also includes light gray bricks with holes on all sides, along with milky white axles in 4L, 6L, 8L, and 12L lengths, plus bushes and metallic short axles. It was issued during the pre-Technic era as a supplement for expanding geared LEGO models.
A new and sealed Gear Supplement is currently valued at around $55, with annual growth of approximately 4%, which is lower than other Gears sets. The average used price is $12 for those in good overall condition. Based on current trends, this set could be valued near $57 within the next year.