[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] Featuring easy to use and understand simple machines, this science experiments kit 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 ages. Specification: Material: Wooden Plastic Size Chart: 15cmx8.5cmx13cm/5.91inchx3.35inchx5.12inch Package Includes: 1 Set Salt Water Powered Generator Science Experiment Kit