The perfect gift for adults and kids
Have great fun building this very challenging puzzle or give it as gift to your love one. It is the best puzzle to inspire people about mechanics and green energy.
Build a piece of history and wonderful engineering
2~3 hours of building fun. Get inspired by renewal sources of energy while you see them in action. It also enhances your logical thinking and concentration.
ROKR Space Hunting series is 100% powered by solar energy. Orient the solar panel to the sun and see it moving.