Print a letter B template for learning activities. Use one of the letter B templates to create a collage. Color the letter B. Surround the letter with pictures of things that start with the letter B.
Bake brownies or banana bread. Kids love helping in the kitchen. This can double as a math lesson if the kids help measure.
Blow bubbles. This makes a great outdoor activity if the weather is nice. As an alternative, allow kids to blow bubbles in the bath.
Play with balloons. Blow up balloons and let the kids play with them. Play a game to see who can keep their balloon off the floor the longest by hitting it up in the air.
Set up a bath for dolls or other toys that can get wet. Play with toy boats while you have the water out.
Make a bean collage. Provide dry beans of different colors and sizes. Let the kids glue the beans on paper. You can make a letter B in glue on the paper and let them put the beans on to make a bean b.
Eat snacks that start with the letter B such as bagels, bananas, and brownies.