- Handling time>> Ship within 24 hours after payment
- Delivery time>>Worldwide 7-15 days
- Fast refund>>Money Back Guarantee.
It's an advanced toy, to help stress relief for adults in the fast-tempo society.
It's a good gift for teens to do some science experiments, creative, fun but not boring as normal experiments
Material: glass, ferrofluid
Color: black, blue,yellow,pink, green and white