Place the box in an area of your home where the family spends a lot of time, such as the family room. Place a soft blanket or bed in the box. Cage training can be a big help while raiding a puppy's house. This is because dogs usually don't like to relieve themselves where they sleep.
Naturally, your puppy will want to wait to urinate until you let him out of the crate. This helps teach your puppy to know when he needs to go and start to control him better. Sometimes a dog or puppy really hates the box, it can even go further and is really phobic towards it. However, luckily, the puppy is happily put in his box after a totally crazy hour playing with the other dog.
Train her to spend time in the box as she walks a short distance, then further away, eventually leaving the room. Poorly trained dogs hate their cage because it becomes a sign that they are going to be alone for a while. Leave a couple of your favorite toys there, and from time to time go and place some treats inside to encourage them to wander by themselves and find wonderful things about the box outside of training. You're doing the right thing, you can't cage a puppy for longer than they can hold their bladder, so 4 hours would be too much.
Cover one end of the area with newspaper and place puppy pads for them to use as a toilet, and place their crate, a bowl of water, and many safe and durable chewing toys on the other end. The Frisco Fold & Carry Double Door Folding Dog Crate comes with a divider and is available in sizes up to XL, so your crate can grow together with your puppy. When you want to potty train your puppy while you're at work, ask a friend or family member to come and take him to work out, go to the bathroom, and play during the day. If you are a stay-at-home person who can devote to many small training periods every day, you will succeed long before a full-time office worker who can only train in boxes on a few mornings, evenings and weekends.
Pet supply stores and online sellers sell a wide variety of boxes in a variety of sizes and materials, including plastic, wire, and mesh. The linked article contains instructions and tips on how to properly measure your puppy for a crate and why it is so important. Now, if despite shaping, gently attracting (never forcing) and leaving the box open all day with a stuffed Kong toy or something inside and they just don't venture, you have to disassemble the box and train to put your puppy alone in the lower tray before reassembling the box and passing the steps again. So let's see the best way to train a puppy by showing him that the box is a safe and happy place.
The general advice is that you can cage your puppy for a time in hours equal to the age he is in months plus one. So, although I don't recommend rushing into the process of training the box, since forcing it can end up in difficulty solving fears and failure, if you're going to try to pack within a weekend, this is the guide to follow.