[5-in-1 Car]: The stem toys can be builded into 5 different styles model. Model A is a tank with plenty of power, strong firepower and remote control freely. Model B is a battle robots with authentic characteristics. Model C is a 360° Tumbling & Spinning stunt car. Model D is a realistic heavy construction bulldozer. Model E is an all-terrain crawler racing car with a sense of future technology. Kids can enjoy 5 different build-and-play experiences [Strong Power & Battery]: Operation powered by 2 high speed motors, supported with 7.4v/300mAh high-capacity rechargeable Li-ion Battery, 2 x AA batteries for remote controller (AA batteries not included), optimal run times up to 25+ min. Perfect present for 6, 7, 8, 9, 10, 11, 12+ years old boys and girls. Also the beat gift for Birthdays, Children's day, Halloween, Thanksgiving, Christmas, New Year. Also for Birthday Parties, Family Gatherings, or indoors or outdoor play with Parents [Cool Lighting Effect & Rechargeable]: Our innovative rc car provides a glimpse into the future of remote-control building toys.All pieces of this building kits are made of kid-friendly, non-toxic materials to ensure they consistently connect and pull apart every time [Pefer Gift for Kids]: Consisting of 552 pcs building blocks, this funny educational toy set enables kids to explore limitless possibilities. Kids can have fun with friends and family, strengthening parent-child interaction and relationships. Whether for birthdays, Easter, Children's Day, back-to-school, Christmas, Thanksgiving Day, New Year, or other holidays, it makes an excellent gift. Suitable for boys and girls aged 6-12+ [STEM Learning]: Bricks integrated with mechanic, technic & engineering, car & robot elements. Child practices creativity, problem solving and team work from connecting the blocks and creating the toys. Help develop fine motor skills, improves children’s concentration and hand-eye coordination. Compatible with most of similar bricks on market, with great extensibility. Accelerate your child’s education! Safe toy with ASTM and CPSIA certification STEM building toys for boys 6 7 8 9 10 11 12 5 in1 remote APP controlled car tank robot tracked vehicle STEM building kit remote control car educational learning building blocks for kids rc cars set for kid girls birthdays Christmas gift for boy girl