LEGO 5257 Connector Pegs, Toggle Joints and Wheels is a vintage Service Packs set from 1990 valued at $18 for new and sealed sets, up 699% from an original retail price of $2.25. Annual appreciation has averaged 4.35% since release. On the used market, values range from $8 to $17 based on condition.
LEGO 5257-1 Connector Pegs, Toggle Joints and Wheels is a Service Packs Technic set released in 1990, containing 25 pieces. It is a supplementary assortment of Technic elements intended to provide extra connectors and joint components for Technic models. Included parts are light gray elements such as the Technic bush 1/2 toothed with interior ridges, the axle-and-pin connector toggle joint (toothed), and 1/2 pins without friction ridges.
A new and sealed Connector Pegs, Toggle Joints and Wheels is currently valued at around $18, with annual growth of approximately 4%, which is higher than other Technic sets. The average used price is $15 for those in good overall condition. Based on current trends, this set could be valued near $19 within the next year.