It's white. With star stickers on it.
There are no known rules concerning use of the Singer.
There are no known instructions for use of the Singer.
There are sewing machine needles in the sewing kits referenced in the Craft Room inventory; however, I'm uncertain precisely which of these fit the Singer. Nor am I certain how they would be inserted into the machine even if they are the correct needles.
Someone who knows how to use the Singer should update this page with instructions, or at least a more accurate and useful description.