Unique and totally cool science project</br>Watch your catamaran skim across the water on its pop-bottle floats</br>Pushed by its spinning propeller</br>Add two 1 liter bottles to the contents of this kit and make a 10" X 9.25" catamaran</br>Watch your catamaran skim across the water on it's pop bottle floats</br>Add two 1 liter bottles to the contents of this kit and make a 10"X9.25" catamaran</br>Launch it in the pool and watch it go</br>Help save the earth by  re-using two plastic bottles as floats for this model catamaran</br>Create a "Green Science" project?? requires 2 AA batteries-NOT INCLUDED</br></br>Product Description</br></br>4M Kidz Labs Bottle Catamaran. From the Mechanics Series?? your future scientist will construct a cool catamaran with this unique and totally cool science project from 4M Kidz Labs! Watch your catamaran skim across the water on its pop-bottle floats?? pushed by its spinning propeller. Millions of plastic drink bottles are thrown away every day. Help save Earth by re-using tow of them as floats for this cool mechanics kit.</br><br/>http://www.amazon.com/gp/product/B001XQ1N8I