Middle Schoolers

Are you curious about the physics of aerial arts and dance? How jugglers hone their craft? The mechanics of magic? Learn all this and more through presentations by professional scientists and performing artists. There will be opportunities for audience participation throughout.

 Hands-on activities begin at 3 p.m. and the program begins at 3:15 p.m.

Guests are welcome to stay after and try Aerial Silks.

A Bricks 4 Kidz Night Out is a high-energy evening full of LEGO entertainment for kids ages 6-12. The theme of the night is Minecraft. Kids will craft key elements with LEGO bricks, build monsters, and construct their own world of Minecraft. Each child will take home a mini LEGO creeper from the popular game. Pizza and drinks are also provided.

5 to 8 p.m. at the Bridgeton Community Center. Cost is $34 for residents and $38 for non-residents. 

Alien Worlds and Androids brings the work of scientists to life in an exhibition that presents the possibility of life existing beyond Earth through the use of robots, telescopes, space probes and high-tech laboratories.

Celebrate the end of summer and the beginning of a new school year with a fun back-to-school event at the library. There will be crafts and games for ages 7-11.

7 to 8 p.m. Free.

At the St. Louis County Library, Daniel Boone Branch.

Girls ages 14 to 18 can bring out their inner Katniss and learn some of the archery skills this character used in the popular book series and movie The Hunger Games. Participants will rotate between three activities throughout the day: archery, fire/water/shelter skills and camouflage.

Participants should dress for the weather and bring a water bottle and snack. 

Badgers digging in the prairies, otters playing in the rivers, minks hunting in the lowlands - what do they all have in common? Kids will learn how these interesting predators are related and are all considered members of the weasel family. 

9:30 to 11 a.m. 

At Powder Valley Conservation Nature Center in Kirkwood, near the intersection of I-44 and I-270. Call 314-301-1500 for reservations. Free but reservations are required.

To guide kids and parents alike through the causes and effects of sports injuries as well as their prevention, Washington University and the St.