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Program Catalog

2026-2027

Program Catalog

Sessions

To register, click on the name of each program to visit the program page.

Sunday Session Dates

SUNDAY SESSION DATES:
FALL: Oct. 11, 2026–Jan 10, 2027
SPRING: Feb. 14, 2027- May 30, 2027

After-School Session Dates

AFTER-SCHOOL SESSION DATES:
FALL: Oct. 12, 2026-Jan. 7, 2027
SPRING: Feb.8, 2026–Jun. 3, 2027

Grades N-2

Junior Science Explorers (Grades N-K)
Sundays, 10:00 – 11:00 am or 1:45 – 2:45 pm
Introduce young minds to the excitement of science, while developing critical thinking skills and curiosity.

Junior Math Builders (Grades N-K)
Sundays, 11:15 am – 12:15 pm or 3:00 – 4:00 pm
Discover the world of math, while developing number skills through hands-on projects and games.

Young Science Explorers (Grades 1-2)
Sundays, Girls:10:00 – 11:00 am; Boys: 1:45 – 2:45 pm
Fuse fun and learning with a wide range of engaging topics and experiments in our real science lab.

Young Math Builders (Grades 1-2)
Sundays, Girls:11:15 am – 12:15 pm; Boys: 3:00 – 4:00 pm
Load up your tool belt and get building with hands-on projects to enhance addition and subtraction skills through real-life problem solving.

Grades 3-4

Advanced Science Explorers (Grades 3-4)
Sundays, Girls: 10:00 – 11:00 am; Boys: 3:00 – 4:00 pm
Make amazing science discoveries at a new level, encompassing a breadth of mind-blowing concepts.

Advanced Math Builders (Grades 3-4)
Sundays, Girls Sun, 11:15 am – 12:15 pm; Boys Sun, 1:45 – 2:45 pm
Build, explore, and experiment with a variety of multiplication & division games, activities, and challenges.

Grades 4-8

After-School Science (Grades 4-8)
Girls: Tuesdays & Thursdays, 4:45 – 5:45 pm
Boys: Tuesdays & Thursdays, 6:00 – 7:00 pm

TUESDAYS: KITCHEN SCIENCE
Explore the chemistry, physics, biology, and psychology behind
delicious dishes and nutrition through fun experiments and tasty treats!

THURSDAYS: EARTH TREASURES
Unearth the secrets of our planet through crystal growing, fossil
excavation, volcanoes, gem and metal mining, and more!

After-School 3D Printing (Grades 5-8)
Girls: Monday & Wednesday, 4:45 – 5:45 pm
Boys: Monday & Wednesday, 6:00 – 7:00 pm

Imagine, design, and create amazing models, inventions, art, and toys with engineering and CAD design.

After-School Coding (Grades 4-8)
Girls: Monday & Wednesday, 4:45-5:45 pm
Boys: Monday & Wednesday, 6:00-7:00 pm

Discover coding fundamentals with interactive lessons, animations, and games. Coming this spring: Robotics

End-of-Summer Engineering and Design Camp
Boys: 10:00 am – 12:30 pm
Girls: 1:00 – 3:30 pm
August 17-20

Join Walder Science for a summer-themed one-week camp filled with exciting maker space and science activities.

New! Coming this spring: STEAM Studio – Girls in Grades 6-8
Design custom 3D printed and laser cut projects, fuse art and science with cool crafts, grab a brain teaser or game to enjoy with friends, and more!

High School & Adults

Young Jewish Innovators Challenge
Use creative thinking and problem-solving skills to seek solutions to real-life issues and compete against other young women in Jewish high schools throughout Chicago. 

Jerusalem Science Contest
Discover an exciting college-level science and be inspired by its Torah relevance. This year’s topic is astronomy. Earn prize money and even a trip to Israel through this invigorating international competition.

Family Fun

Science Carnival
Get ready for an adventure-packed day filled with amazing exhibits, activities, food, prizes, and a live science show for the entire family! Sunday, August 30, 2026

Seasonal STEM Videos
Chanukah, Lag B’Omer, and more

Experience exciting science and math activities right from home with short engaging video lessons; participants are entered to win special raffle prizes.

Email [email protected] to sign up to be notified when new videos are posted!