[ 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 of circuit diagrams and gear transmission, let children do it by themselves, stimulate and creativity, and experience the charm of science.[ completion or team cooperation]The toys manual contains complete product introduction, safety warning, operation specification, game introduction, installation graphic steps, and the important scientific knowledge and principle description. 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 understand the importance of team cooperation.[Move your hand and ]What is a series circuit? What is the principle of gear work? How to match the combination of acive wheels, wheels and idler wheels? Go ahead, little [ Circuits and Mechanical Science Kit] toys 36 precision parts and detailed product manuals, allowing kids to combine circuits and gears by hand to create mechanical structures and circuit combinations. (excluding AA batteries)[DIY painting science set] Through the simple connection and installation of building blocks, exercise children's hands-on and logical , and scientific 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 are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.