Homemade
hydraulic pneumatic manipulator model diy children's toy
kit
Product Description
Children's
educational toys and small production each set of independent
packaging independent instruction manual contains
experimental cognition, experimental focus, experimental
steps, knowledge development, experimental reports, etc.,
suitable for students for their own use, training courses for
training, is a collection of learning tools, toys and one A
good technology small production not only brings unlimited
fun to children, but also improves children's cognitive
ability. (4-12 years old children can make hands-on)
Enlightenment scientific exploration, scientific experimental
toys