DISCOVERY Children's Museum

360 Promenade Place, Las Vegas, NV 89106.

Three floors of hands-on exhibits built for children to touch, which makes it the answer on a day too hot to be outside. Toddler Tales runs for the younger ones.

Open Tuesday to Saturday 10am to 5pm, Sunday 12pm to 5pm. Open some Mondays during school holidays. Closed Thanksgiving, Christmas Eve, Christmas, New Year's Day and Easter.

Tickets are sold on their website — check the price before you go.