This is a DIY toy, need children to manually brain, to stimulate children’s learning fun. With a simple experimental setup, students can quickly master the experimental principles of each experimental techniques.- Color: As shown.- Material: Plastic.- Size: 13 × 9 × 8 cm.- DIY ...This is a DIY toy, need children to manually brain, to stimulate children’s learning fun. With a simple experimental setup, students can quickly master the experimental principles of each experimental techniques.- Color: As shown.- Material: Plastic.- Size: 13 × 9 × 8 cm.- DIY toys, need children to manually brain, to stimulate children’s learning fun.- With a simple experimental setup, students can quickly master the experimental principles of each experimental techniques.- Ability development: manual brain, interest training, intellectual development, parent- child communication, interactive toys.- Direct assembly, no need for other accessories, simple assembly, exercise the child’s hands- on ability.In the Box1 x Password Box