Building Blocks and Pull-Back car: Get both building and racing fun time. This Cool construction building car includes 177 pcs to build your car. Pull back, and then release to send the car speeding along. Perfect STEM Toy: Focus on building their own take-apart toys, which help improve skills. Taking apart toys for boys and girls age 6+. Our building blocks are made of high-quality plastics, which are durable for age 6-10 years kids to play with. Educational Toy: Each building part is durable and made of high-quality, safe, and harmless ABS plastics, very realistic looking. No batteries are needed. It is easy to put together, has great value, easy instructions, and is tons of fun. Ideal Birthday Gift for Kids: Our educational STEM police car is the best gift for Birthdays, Christmas. and another occasion. Ideal gift for ages 6+ kids. Family Gatherings, or Outdoor Entertainment with Parents indoors or outdoor play.