Features:· Brand new and high quality· Adorable and fashionable· Wonderful enlightenment for students' solar energy concept and new energy concept teaching.· No battery required Please note:1) In order to have the solar & salt water hybrid car running under sunlight outdoor， you need to put it under direct strong sunlight， and put it on a rather smooth surface 2) There is a switch on the back of the car， when you find the car doesn't run， you may turn the switch to another side to have a try. Tip: not fit for kides below 3 years old Package Include: 1 Xsolar & salt water hybrid car