Ace has built her own go-kart, but when she is ready for a test run it will not start, and she has to figure out what part is missing--and then in the middle of the race something else goes wrong.
A little girl's small act of kindness after a storm spreads throughout her town so that the next time there is a storm, her community comes together to make a big difference.
Ace builds her own skateboard, but it takes a lot of practice (and some falls) to learn to skate well--and then she builds a ramp and takes it to the park to skate with her new skateboarding friends.