A displaced Ukrainian dad asked for Legos for his son. Gifts poured in.

When 11-year-old Andrii Sidorov fled Kyiv in late February, he packed a small suitcase of essential items. He had no choice but to leave his prized Lego collection behind.

“He was so sad,” said his father, Igor Sidorov, who drove with two of his four sons to Vienna on Feb. 23, just before Russia launched its assault on Ukraine. His two older sons — ages 19 and 16 — stayed to fight in the war. Their mother remained in Kyiv, too.