DIY Mechanical Engineering Vehicle Toys Preschool Age Children Educational Powered Mechanical Engineering Vehiclewalking Invention Toy Features: Puzzle assembling toys: These scientific toys will train children to design mechanical engineering vehicle that use energy, help them hands-on and problem-solving skills, and help children lay a solid in science, technology, engineering and mathematics. Young, improve logical thinking and self-confidence. Hands-on ability: Cultivating children's hands-on ability from an early age is of great significance to children's intellectual development, labor habits and good will quality. Easy to make from 6 years old-easy to follow step-by-step instructions to complete the mechanical engineering vehicle. Suitable for 6 years old and Excellent STEM toys encourage your child to learn through play. It is the perfect device for parents and children. Powered by the sun-without batteries, panels are used to absorb energy to provide K-inetic energy for mechanical engineering vehicle to move around the earth. energy instead of electricity allows them to learn about renewable energy and renewable technology, and teach children how to use and have from it. The gift-all parts are sturdy and durable, made of ABS plastic, h-armless and non-t-oxic. Great gift choices for birthdays, children's day, Christmas, Hanukkah, Easter, STEM, activities, and. (Can move under the sun Specification: Material: Abs Size: About 13x14x6.5CM/5.1x5.5x2.6in Package List: 1x DIY Self Loading mechanical engineering vehicle Toy (Can move under the sun Notes: Due to different displays and lighting effects, the actual color of the product may be slightly different from the color shown on the picture. Thanks! Due to manual measurement, allow slight measurement deviation.