Urban Outfitters has this Grow Your Own Tree Kit on clearance for $4.99. Use the code SECRETSALE to take an additional 20% off sale items (expires 6/27) and the price drops to $4. Originally $10, the kit comes with everything you need to grow an Austrian Pine or Siberian Elm tree. A portion of the proceeds from sales are donated to environmental organizations. Shipping is $5.95 and sales tax is charged in states with Urban Outfitters retail locations.