Thermoelectric Hot water Fan Teaching Experiment Tool Kid Physic Children DIY Education EquipmentDescription:Style:PuzzleType:PracticeMaterial:WoodColor:As the picture showSize :Lenght:10cm  height:11cmWeight :370cm Package included:1Xmaterial package1X one glueStyle:puzzleType:practiceMaterial:woodColor:yellowSize about:10*6*11cmWeight about:160g Package included:material package and glue