You can make a three-dimensional heart with many coins, glue ... all-purpose glue or something, just stick it firmly.

You can grind coins into hearts, and the tools you need are: file =-~ sandpaper.

Yes, Baidu: Handmade ~ There are many handcrafts in it, and it is not very difficult. You can choose simple, beautiful and practical things from them and give them to your girlfriend in combination with her hobbies.

You can also Baidu: Gourmet Bar ~ There are many recipes in it, and most of them are very simple.

As for design ...

Invite your girlfriend to your home, give her the gift you made yourself, and thank her for putting on the delicious food you cooked for her. What is more touching than what you have worked hard to get? As long as your girlfriend is really distressed, you will not be indifferent when you see your efforts.

Finally ~ I wish you happiness