When it comes to creative learning projects for your family, there are all sorts of different options that you can get into. Depending on the age groupings of your family members, your fixed budget, and how much time you have, there are all sorts of really unique ways that you can all learn thanks together.
Think of a few examples to get your brainstorming moving in the right direction. You could try a screen printing project. Maybe you want to do some woodworking if everyone in your family is old enough to use the tools. At any age, you can try out some cooking adventures, making sure safety is your priority. And, you can collectively work on an interior design project to get everyone's input about color, shape, and texture in a room.
Have you ever been envious of the family that all has matching shirts for some event? If so, why not be that family next time? Gather the materials to do a screen printing project, and get input from everyone in your family about how it's going to work. Have one person help design the logo. Have another person choose what kind of T-shirt material is going to be ideal. Have another person learn how to do the ordering process online. That way, everyone is involved, and everyone learns something along the way.
If everyone is old enough and responsible enough to use the tools, you could do a woodworking project as a family event. Even with a few scraps of wood, you can make exciting things like picture frames or decorative boxes to put around the house or give to people as gifts. Woodworking will often involve sharp or hot tools, so make sure that everyone who is going to participate knows how to use all of these things safely.
You can pick a cooking learning project for your family to participate in as well. Making sure everything is age-appropriate, it will be a bonding experience where all of you learn about different preparation techniques, nutritional value, and also don't have any waste because you eat the end product! Cooking projects are some of the more fun ones to do with family members because you can also snack while you're doing the preparations.
If you have a room in your home that needs a redesign, why don't you do the whole project with your family? Figure out what kinds of things need to go into or out of the room, and then make a step-by-step plan on how to get to that end goal as a family. There are lots of craft projects where you can add pleasing aesthetics to a room while also customizing the crafting experience.