9684 Renewable Energy Set is a DactaeLab set released in 2003.
LEGO.com Description
This is a description taken from LEGO.com. Please do not modify it.
Age Mark: 8+ Brick Type: LEGO® System Related Products: 2009684, 9912, 9916, 5225 Piece Count: 729 Key Learning Values: Understanding sources of renewable energy
Embracing a wide range of elements-including a solar panel, a capacitor and two motors-this set helps students investigate the concepts of energy, energy sources, electricity and the environment by building models. Contains building instructions for constructing windmill, water mill or solar-powered Ferris wheel and several supplementary models.