Make your own solar bottle boat by using this kit. Teach kids (and adults) both about solar power and the virtues of reduce, reuse, and recycle. This kit incorporates the reuse of a basic recyclable bottle. By sealing it air tight and using it with this solar boat kit, you can create a boat that is powered by solar power. You can use the kit to make either a jet boat, hover craft, or submarine. . Features * Create 3 different boat devices! * Use recyclable materials that use solar! * No soldering, gluing needed. * Put together in less than an hour * For ages 9 and up. * To make all three devices, you need minimum of 3 plastic bottles of any color. Preferably all same size. Specifications Dimensions Solar Panel: 4 x 2 x .25 inches L x W x H Weight: 1 lb