This weekend Hudson Valley kids can float in a hot air balloon, build a toy truck, check out a reptile expo and see a puppet show or an animated musical film. Find all the details here.

Friday and Saturday: Take a tethered balloon ride

Kids can get an inexpensive and not-too-high taste of what it’s like to float in a hot air balloon. The Mid-Hudson Children’s Museum will host children’s activities preceding the evening balloon launches of the Dutchess County Regional Chamber of Commerce Balloon Festival. In addition to the tethered balloon rides, which rise 10 to 12 feet before coming back down, there will be arts and crafts, face painting and a bounce house on the grounds. The museum will be open, as well.

When: 2:30 p.m., Friday and Saturday, July 6-7

Info: Mid-Hudson Children’s Museum, 75 North Water St., Poughkeepsie; 845-471-0589;; $5 admission, $2 for tethered balloon rides

Saturday: Build a truck

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Kids ages 5 to 12 can learn do-it-yourself skills and tool safety as they build their own moving truck to take home at the Kids Workshop at Home Depot’s Port Chester location. Each participant will also receive a free Kids Workshop apron, a commemorative pin and a certificate of achievement.

When: 9 a.m.-noon, Saturday, July 7

Info: Home Depot, 150 Midland Ave., Port Chester; 914-690-9745;; free

Saturday: "Butterfly" puppet show

Dance and hum along to a fanciful puppet show about the magical world of butterflies by Sleepy Hollow puppeteer Jilly Puppets. The show is recommended for ages two to seven. While you’re there, see the real thing by visiting the Greenburgh Nature Center’s live butterfly exhibit.

When: 10:30 a.m., Saturday, July 7

Info: Greenburgh Nature Center, 99 Dromore Rd., Scarsdale; 914-723-3470;; $8, $5 for members; puppet show ticket includes admission to the museum and grounds

Saturday and Sunday: “Yellow Submarine” animated film screening

In this colorful ‘60s fantasy, cartoon versions of John, Paul, George and Ringo must defeat the Blue Meanies and restore music and color to Pepperland. The animated film features Beatles’ hits such as “Eleanor Rigby,” “A Day in the Life,” “When I’m Sixty-Four,” and “Lucy in the Sky with Diamonds.”

When: Noon, Saturday and Sunday, July 7-8

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Info: Jacob Burns Film Center, 364 Maville Rd., Pleasantville; 914-747-5555;; $11 for adults, $6 for members, $6.50 for kids under 12, $1 service charge per ticket for online purchases

Sunday: Reptile Expo

From baby bearded dragons to big boa constrictors, there are thousands of reptiles to see, learn about and purchase at the New York Metro Reptile Expo. Pet-seeking families and curious kids can get their questions answered by local experts, breeders and rescue groups and purchase pets and supplies from more than 200 participating vendors. Recommended for ages 7 and up; kids must be accompanied by an adult.

When: 10 a.m.-4 p.m., Sunday, July 8

Info: Westchester County Center, 198 Central Ave., White Plains; 845-526-4845;; $10 for adults, $5 for children 7 to 12 years old, free for children under 7