Use your imagination to build whatever 100 joint-pieces + 100 stick-pieces can make!
And bonus - if your kids give up early in the building-process, it also apparently makes an interesting impromptu croquet game, sword fighting set, and/or drum sticks. Earplugs for grown-ups not included if your kids go the more "creative" route. Best of luck.
Twin Cities Library of Things
https://twincitieslibraryofthings.myturn.com/library/
https://twincitieslibraryofthings.myturn.com/library/