35K Eggs, Free Rock Climbing, and Exclusive LEGO — Your Philly Weekend

Discovery Day: Rock Climbing and Environmental Resource Fair

Saturday · 10:00 AM – 4:00 PM

The Discovery Center · Strawberry Mansion · · Ages 8+ for climbing, all ages for fair

🟡Pack snacks · climbing is first-come, plan to wait · free parking on-site

Free indoor rock climbing from Philadelphia Outward Bound School, a good one for the older siblings. The environmental resource fair runs outside, and the new Resource Library launches with giveaways and refreshments from 2–3:30 PM. It'll be mid-40s but sunny, so layers. The Discovery Center sits on the reservoir with views of the water and tons of greenery. Most people have no idea it's there.

Spring LEGO 'Happy Hummingbird' Build Event

Saturday · 12:00 PM

Barnes & Noble · Center City · · Ages 6+

🟢Just show up · no registration · kids prioritized 12–1 PM

Free LEGO build at Barnes & Noble, and this time it's an exclusive 'Happy Hummingbird' spring set you can't buy in stores. First come, first served, no signup. Kids get priority the first hour. We've done these with our 6-year-old. There are usually extras, and if you ask nicely you can take a second set home for a friend.

Mac Madness at Craft Hall

Friday – Sunday

Craft Hall · Northern Liberties · · All ages

🟢Just show up · kid-friendly restaurant · huge indoor space with games

Craft Hall is running its own bracket tournament with eight over-the-top mac & cheese mash-ups competing for a permanent menu spot. Your orders decide who advances, and this weekend is down to the final four. All macs are $12. Good way to get the sports-fanatic family out. Games on the big screens, kids running around in one of the most kid-friendly restaurants in the city.