Little story DIY Solar Mars exploration rover by SAMBOX is a unique scientific and technological educational toy that cultivate children's various ability during the growth process. This Mars Rover may foster your kids' imagination for space and help them learn critical science and technical concepts. Made of high-quality ABS materials that are strong and durable, solar-powered Rover toy is very safe for kids to play with. , , DIY self assembly toy with 46 accessories included in the Solar Mars Rover Kit, kids may freely explore their own environment and practice problem-solving skills. Dual Power Mode, Solar power or 1 AA batteries (not included). Can use it indoor or outdoor. Solar Mars exploration rover is an awesome STEM Series present for your kids, so your children can enjoy adventure and let your child take a step ahead. Battery: 1AA battery (not included. PACKING INCLUDES: 1 x Little Story DIY Solar Mars Exploration Rover (46 Pcs).