Follow along as Play-Well TEKnologies builds a LEGO treehouse in a series of live Facebook posts: https://www.facebook.com/PlayWellTEK/
They have a lot of other LEGO building activities in their posts.
Find a venue for your next party in the: Whatcom County Birthday & Party Places Guide
Please call ahead and confirm the event is still happening. Find more information here: https://www.whatcomcounty.us/3329/Novel-Coronavirus-COVID-19