[ Educational Exploration Kit]This Diy educational science kit is specially designed for 8-12 year olds.<br> 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.[<br> 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 description.<br> We have made the perfect preparation for everything.<br> 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<br> your hand and discover science]What is a series circuit?<br> What is the principle of work?<br> How to match the combination of acive wheels, driven wheels and idler wheels?<br> Go ahead, little scientist [Stem Circuits and Mechanical Science Kit]Stem toys 45 precision parts and detailed product manuals to let kids combine circuits and gears by hand to create amazing mechanical structures and circuit combinations.[Electric<br> Maze Challenge science kit]Through simple connection and part building block installation,children's hands-on ability and logical ability are exercised,and scientific principles are explored.In the maze challenge,if your metal rod touches the maze wire,the circuit is switched on and a buzzer sounds,children will improve their hand eye coordination in the competition.Type: Acolor:As shownMaterial:plasticPackage Contents:1 x science kitsOnly the above package content, other products are not included.Note:<br> Light reflection and different displays may cause the color of the item in the picture a little different from the real thing.<br> The measurement allowed error is +/- 1-3cm. This product is designed for comfort and performance. Ideal for everyday use, gym training, and body support.