You can easily make your own with a canvas, a paint brush, masking tape, and three colors + white acrylic paint. Just tape up your canvas every which way, paint a gradient of each color in the taped segments and remove the tape
Such a good idea as a gift for grandparents. Put a phrase or message in vinyl letters on a clean canvas. Have your child paint a picture on top, then peel the vinyl letters off to reveal the message underneath.
My pre-teen daughter does awesome acrylic painting on canvas.Found her another cool DIY Project for her and I to do. Nature walk first (my favorite).Then the SURPRISE of another one of her very talented masterpieces! DIY: Make a Nature Wall Art on Canvas