LEGO 9684 Renewable Energy Set is a Education set currently valued at $296 for new and sealed sets. Annual appreciation has averaged 2.41% since release. Used copies are valued between $151 and $185 depending on condition.
LEGO 9684 Renewable Energy Set is an Education set released in 2003, containing 729 pieces and 4 minifigures. It was designed to introduce renewable energy concepts through hands-on models powered by a solar panel, capacitor, and two motors. The instructions include builds for a windmill, water mill, and solar-powered Ferris wheel, along with several supplementary models. As an Education release, it focused on classroom use and practical demonstrations of energy generation, storage, and transfer.
A new and sealed Renewable Energy Set is currently valued at around $296, with annual growth of approximately 2%. The average used price is $154 for those in good overall condition. Based on current trends, this set could be valued near $303 within the next year. The 4 included minifigs account for approximately 11% of the set's total value.