The toy burned up!! It was obvious because my mom just turned on the oven so she opened up the oven and saw a smoking half burned toy of my sister's. My sister

The toy burned up!! It was obvious because my mom just turned on the oven so she opened up the oven and saw a smoking half burned toy of my sister's. My sister was so upset. She didn't know better though, she was very young, probably 3-4 years old.