oscillating fan small experiment 4-7years old students science and technology production classroom hand-assembled materia
oscillating fan small experiment 4-7years old students science and technology production classroom hand-assembled materia
A Great Gift for Kids: This Kits for kids age 8-13 come with all of the parts you need to build 6 different toys, it is a great gift for boys and girls ages 8 9 10 11 12 13 Years Old and up, for every occasion, birthday , Christmas and activities.
Shaking head fan, which can rotate left and right respectively, is a wooden assembled fan model that requires hands-on and brainpower assembly and production. It is a popular science teaching tool model that is very suitable for scientific experiments.
The production process is a scientific experience process that requires both hands-on and brainpower.
