Description: Due to fine workmanship, sturdy construction and superior durability, this product is a perfect assembly toy for kids. Let children understand the structure and principle of the salt water generator model. It can not only help children with hands-on experience, but also cultivate children's interest in physics and science. It is constructed of wood material. The length of this product is 9.8cm, the width is 6.2cm and the height is 12cm. It is suitable for children's intellectual development. Item Name: Material Packs Material: Wood Features: Multifunctional, Fine Workmanship, Novel Size Details: 9.8cm x 6.2cm x 12cm/3.86" x 2.44" x 4.72" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Knowledge Expansion: Salt is not only an indispensable condiment in people's daily life, but also an important material for maintaining human life. The application of salt is widely used, and it is the mother of chemical industry, such as: salt water power generation. Package Includes: 1 Set of Material Packs