The Big Tool Box and Highlands Garden Center, established in 1978, has become the South Denver Area's premier destination for home improvement and gardening needs, with locations in Centennial and Parker. As a proud Ace Hardware affiliate, this local hub offers a vast array of products including tools, paint supplies, lawn care items, outdoor cooking appliances, and a diverse selection of plants and gardening materials. The store is well-known for its extensive garden center that spans over 75,000 square feet, featuring everything from live plants to patio furniture. Their commitment to customer service is reflected in knowledgeable staff ready to assist with DIY projects and offer expert advice.

In addition to retail offerings, The Big Tool Box provides essential rental equipment services, ensuring that community members have access to the tools they need for any project. Their repair center specializes in servicing outdoor power equipment like Honda and Stihl products. By shopping locally at The Big Tool Box, consumers not only support their community but also gain access to expert advice and high-quality products tailored for the unique needs of local homeowners and gardeners. The store regularly hosts workshops like "Seed Starting 101," fostering a sense of community engagement while promoting sustainable gardening practices.