Note:Send without the retail box instead of Bubble bags!!!!!!!!!!!!!!!!This cool solar car needs no batteries， just powered from the sun energy， can directly start the engine in strong sunlight and keep running fast.It is eco-friendly， energy-saving， specially-designed and fashionable， and without doubt， it is a perfect teaching aid for students， is a fun and educational way to learn about solar power.Features:Brand new and high qualityAdorable and fashionableWonderful enlightenment for students' solar energy concept and new energy concept teaching.No battery required7 in 1 Solar Kit Dimensions:Solar Car: 3 x 4 x 7cmConcept Car: 2.5 x 4 x 7cmDump Truck: 4 x 4 x 7cmBulldozer: 5 x 4 x 9cmConcept Racer: 2.5 x 4 x 10cm1.This product solar car has two outer interface changes，one is a solar charger， the other is the battery charger. So no matter day or night you can play everytime you want. 2.The regular packing， with English product instruction booklet， only supplies the factory export use. 3.Package Size 19*25*6(CM) 4.Package Weight 0.33KG 5.Solar battery life : about 3-5 years The solar cell: we are using the high performance of solar panels， as long as can use under the sun light. On cloudy days， indoor or dark place please use 100 w halogen tungsten lamp Please note:Sequence assembly in accordance with the instruction manual， needs a part was cut from the parts board， so to avoid all cut not tell part number.Package Included:1 x A parts kit 1 x B parts kit 1 x Solar panel 1 x Micro rechargeable battery charge 1 x User Manual(English)