HOUSTON -

Free Earth Day giveaways and a celebration of Texas history top this week's Freebie Friday.

Target is giving away 1.5 million reusable bags at stores across the country this Sunday in honor of Earth Day.

It's first come, first-served, so get there early. The store says some of the bags will contain samples of environmentally friendly products and coupons.

If you can't get to a Target store, the sample spot on the store's web page is offering free samples of Seventh Generation Natural Personal Care products and Voots Kid Supplements.

Pottery Barn Kids will be giving away free packets of seeds while supplies last as part of a weekend long Earth Day Celebration.

Families can get back to nature at the free Bayou Family Fun Day at Mason Park. There will be a bayou scavenger hunt and activities for the kids from 1 to 4 p.m. on Sunday.

Next week, all week, there is also free entrance to all the national parks for National Park Week.

Texas history will come alive with free music, entertainment even cannons and musket fire at the San Jacinto Battleground on Saturday. Hundreds of history buffs will recreate the events leading up to Texas winning its independence at the Battle of San Jacinto. Admission to the all-day San Jacinto Festival is free with the battle re-enactment starting at 3 p.m.

If you need to stay closer to home, Lakeshore Learning is offering free Earth Day crafts from 11 a.m. to 3 p.m. Saturday at Lakeshore stores.

Another free event this weekend is the 2013 Menil Community Arts & Houston Indie Book Festival on April 20. The Menil Collection and a group of surrounding nonprofit arts organizations come together to host a free afternoon of art and entertainment that will extend across the Menil campus at 1520 Sul Ross from 11 a.m. to 6 p.m. on Saturday.