mPower Athletics

If you’ve got kids between 2 and 9 who have energy to burn, this Westford spot is worth knowing about. The climbing structure alone keeps little ones busy, and the enclosed setup means parents can actually relax and watch without chasing anyone down. Gymnastics and ninja classes are the real draw here — the staff genuinely seem to like kids, which makes a difference. A lot of families in the area book it for birthday parties, and honestly it makes sense, since the whole place is built around keeping kids moving and having a good time indoors.