Take a Kid Mountain Biking Day. On Saturday, October 6 join Avid4Adventure for their eighth annual Take a Kid Mountain Biking Day. If you haven’t participated in this national event before, you’ve been missing out! Their expert staff will be providing FREE instruction at Valmont Bike Park through 45-minute instructional rides that focus on safety and fun. The rides are only happening from 9 a.m.-1 p.m. and registration is required. They will have some lightly used bikes for sale, Boulder Community Hospital will be giving away free toddler and youth helmets, The Sweet Cow ice cream truck will be serving up deliciousness, and Community Cycles, Boulder’s non-profit bike shop, will be accepting donated bikes. http://www.avid4.com

E.T. The Extra-Terrestrial. On Wednesday, October 3 at 7 p.m., the magical E.T. The Extra-Terrestrial will bicycle his way back in to theaters and the hearts of millions with the special 30th Anniversary presentation of the beloved classic. The showing will also feature an interview with Drew Barrymore and more. For more information, visit http://www.fathomevents.com.

Cider Days. Lakewood Heritage Center will be the apple of your eye if you’re an apple-lover on October 6 and 7 from 10 a.m.-5 p.m. Activities include arts and crafts, live entertainment, apple bake-off, pie-eating contest, cider pressing, antique farm equipment, burrow rides, wagon rides, climbing wall, petting zoo, obstacle course and inflatable bounce castle. Cost is $7 for adults, $4 for children and admission includes unlimited kids’ activities. 801 S. Yarrow Street, 303-987-7850. www.lakewood.org/ciderdays.

Rock Ledge Ranch Harvest Festival. On Saturday, October 6 from 10 a.m.-3 p.m., celebrate the bounty of a traditional fall harvest. The Chambers’ 1880s farm will be FREE and filled with activities and fun in the crisp autumn air. Ride a pony or a horse-drawn wagon, listen to old-time music, pick a pumpkin to take home, scramble for candy, kick back on the lawn with a slice of pie, tour the restored 1880s Rock Ledge House and 1907 Estate House. http://www.rockledgeranch.com/

Four Mile Park’s Pumpkin Harvest Festival. On September 6 and 7, visit Four Mile Park from 10 a.m.-4 p.m. for an exciting county fair area where you can rummage through our costume bank and take an ‘old-timey’ photo in front of the Four Mile House, enter a pie eating contest or win something yummy in an old-fashioned cake walk. Find the perfect pumpkin in the patch, create your very own scarecrow, listen and dance to old time music, play historic games or make a historic craft. There will be plenty of food available including homemade caramel apples and other goodies. Be sure to visit the mountain men and Native American encampment, take a horse-drawn ride and tour Four Mile House, Denver’s oldest standing structure, as the Booth family prepares for the harvest. Did we mention it is FREE? http://www.fourmilepark.org

Ringling Bros. and Barnum & Bailey’s new show DRAGONS is at the Denver Coliseum until October 7, 2012. This visual spectacle honors The Year of the Dragon and circus performers from the farthest reaches of the earth have assembled to showcase their astounding acts of bravery and astonishing athleticism. Ringmaster Johnathan Lee Iverson presides over this fantastical celebratory tournament of circus champions that brings together mystic dragon lore with authentic circus feats. DRAGONS is a never-before-seen blend of renowned spiritual and real-life legends. Children and adult discounts are available. http://www.ringling.com/

Being a Voice for your Child with Special Needs. Do you want more information on how you be a voice for your child at home, in the doctor’s office or in a patient room? Make sure you know what to ask your physician and when it is time to ask for a second opinion. The Children’s Hospital Colorado’s FREE seminar will be Tuesday, October 9 from 6:30 to 8 p.m. at the second floor conference Center. Be sure to register online. http://www.childrenscolorado.org/wellness/parenting/seminars.aspx

Play with the Laws of Motion. Kinetics! opens at the Children’s Museum of Denver on October 13, 2012. This new science and engineering exhibit will help kids discover the fundamentals of forces and motion in a life-sized marble run where balls cascade down ramps, roll along tracks, travel through tubes and fly over heads. Learn firsthand that for every action there is an equal and opposite reaction. Price is included with admission. Learn more at www.mychildsmuseum.org.