[ EDUCATIONAL EXPLORATION KIT]This DIY educational science kit is specially designed for 8-12 year olds. simple circuit physics knowledge, help to understand the basic physical of circuit diagrams and transmission, let children do it by themselves, stimulate and creativity, and experience the charm of science.[ completion or team cooperation]The stem toys manual contains complete product introduction, safety warning, operation specification, game introduction, installation graphic steps, and the important scientific knowledge and principle . We have made the perfect preparation for everything. Children can complete it independently, cultivate a tough character, and also work in a team to let them understand the importance of team cooperation.[Move your hand and discover science]What is a series circuit? What is the principle of work? How to match the combination of acive wheels, driven wheels and idler wheels? Go ahead, little scientist [STEM Circuits and Mechanical Science Kit]STEM toys 36 precision parts and detailed product manuals, allowing kids to combine circuits and gears by hand to create amazing mechanical structures and circuit combinations. (excluding AA batteries)[DIY science set] Through the simple connection and installation of building blocks, exercise children's hands-on ability and logical ability, and principles. Drawing tool experiment can draw 48 different patterns, give full play to children's , and feel the of drawing tool experiment.Type: Bcolor:As shownMaterial:plasticPackage Contents:1 x science kitsOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.