Lego kits are not only funny games for small kids, but they also coud become a very interesting and educational activity for seniors and even students. One of the new Lego sets could easily demonstrate that. The Renewable Energy Add-on Set gives an unique opportunity for your kids to make a lot of interesting observations and discoveries. With this Renewable Energy Add-On Set kids will be able to explore renewable energy sources and experiment using energy from their own bodies and three main energy sources â€“ solar, wind and water. This Lego set isnâ€™t available now but you already can find more detailed information about it and pre-order it on Lego site.