Enjoy free shipping with purchase over HK$500 on order
Not enough stock.
Your item was not added to your cart.
Not enough stock.
Please adjust your quantity.
Limit {{ product.max_order_quantity }} per order.
Only {{ quantityOfStock }} item(s) left.
Watch the foam ball float and glow in the dark as if it is defying gravity. Perform interesting experiments and learn about Bernoulli’s airflow principle.