Sure, here are some fun indoor activities that you can do:

1. Board games - Gather some friends or family members and have a game night. Choose from a vast selection of board games that are available in the market.

2. Indoor gardening - Create a mini-garden indoors by planting herbs or succulents in pots or containers.

3. Learn a new skill - Utilize online resources to learn something new like painting, knitting, cooking, or even a new language.

4. Movie marathon - Pick a theme and gather your favorite movies to binge-watch in one sitting.

5. Virtual tour - Take a virtual tour of a museum, art gallery, or even a theme park from the comfort of your home.

I hope these ideas give you some inspiration for fun and entertaining indoor activities!