Prompt Title: Leave me with coffee.

Great idea! Here are a few tips to attract more people to your stall and increase sales:

1. Offer unique and personalized designs: People love to have unique and customized items, so make sure to have a variety of designs that cater to different interests, occasions, and themes. You can also offer personalized designs with names, quotes, or photos, which can make great gifts.

2. Create eye-catching displays: Use attractive signage, banners, and props to make your stall stand out from the rest. Display your best-selling designs and showcase how the mug press works. You can also offer free samples or demos to entice people to stop by.

3. Offer discounts and promotions: Everyone loves a good deal, so consider offering special discounts or promotions, such as "buy one, get one free" or "spend $X and get a free design". You can also run social media contests or giveaways to create buzz and attract more customers.

4. Engage with customers: Be friendly, approachable, and enthusiastic when interacting with customers. Ask them about their interests and preferences, and offer suggestions for designs that might suit them. You can also collect feedback and suggestions for new designs or features.

5. Provide a comfortable and welcoming atmosphere: Make sure your stall is clean, organized, and inviting. Offer seating or shade for customers who want to wait while their mug is being printed. You can also provide complimentary drinks or snacks to create a welcoming and relaxing atmosphere.

Overall, the key to success is to offer high-quality products, excellent customer service, and a memorable experience. Good luck with your market day sales!