Description:[HANDS ON LEARNING] This Salt Water Powered Science Experiment Kit is the perfect way to introduce your child to the world of STEM learning in a fun and interactive way[SIMPLE MACHINES] This science experiments kit featuring easy to use and understand simple machines, is an excellent way to teach your child about the basics of engineering[DURABLE MATERIALS] DIY mini generator made from high quality, durable wood and plastic, this kit is built to last through countless experiments and activities[CREATIVE EXPERIMENTS] With this science experiment kit, your child will be able to variety of creative experiments that help them find the world of science and engineering[EASY TO ASSEMBLE] this education model toy kit is easy to set up and use, making it perfect for children of all agesSize Chart:approx 6.2cmx9.8cmx12cm/2.44inchx3.86inchx4.72inchPackage Includes:1 DIY Mini Generator Science Experiment KitNote:Please allow slightly errors due to manual measurement and different monitors.