Answer:
I am black when you buy me, red when you use me. When I turn white, you know it's time to throw me away. What am I?
Glittering points that downward thrust. Sparkling spears that never rust.
I open to close but I close to open. I'm surrounded by water but I'm never soaking. What am I?
Soft and cuddly I'll pull on your heart. But take my last name and I'll tear you apart.
I am so delicate that even mentioning me breaks me. What am I?
The sun bakes them, The hand breaks them, The foot treads on them, And the mouth tastes them. What are they?