Bubble World Fun Bubble Bottles (36 Pack) Bubbles for Kids &ndash; Non-Toxic Bubbles with Built-In Wand for Mess-Free Play! Our products are 100% sourced and made in Italy. Our soap bubbles and bubble toys have obtained the TUV and EC Type Certificate. 1 sample per batch (1,800 samples per year) is externally tested. For comparison, industry standard is 1 test every 3 years. We make 32 tons of soap bubble solution daily with the same purified micro-filtered water used in cosmetics. We conduct constant research in innovative soap bubble solution composition in order to lower skin and eye irritation levels. Caps are factory sealed with a safety shrink band. Wands are attached to the caps  no fishing around with your fingers in the solution! Unique maze game cap  an extra element of fun to extend play.