Be careful with the blowtorch!!
I wouldn’t try melting a bottle with a blowtorch…it would probably shatter and could hurt you!
The jewels that Stephen referred to might be available from a florist…or a hobby store…or even Walmart. They use them for floral design, and sell them in bags. They have smaller and larger ones. I just found some on Amazon, too.
Love your “accent,” are you from across the pond?