Week 1 - Symmetry Name Art - Drawing Paper, coloring supplies, scissors, pencil
Week 2 - Pi Skyline Drawing - graph paper, pencil, coloring supplies
Week 3 - Flextangles - template printout, coloring supplies, scissors, clear tape
Week 4 - DIY grabber toy - 2 paper cups, scissors, tape (or hot glue with supervision), plastic straw
Week 5 - Origami Running Frogs - a square piece of paper (recommended at least 8x8), string/yarn, markers, tape
Week 6 - Pendulum Painting - heavy paper to paint on, small paper cup, string, scissors, carboard paper towel roll (empty), two boxes of the same height - recommended at least 8 inches tall (tissue boxes, small shipping boxes, etc...) acrylic paint
Week 7 - Table Bubbles - water, sugar, dish soap, straw (can be a reusable straw), spoon, clean table that can get messy
Week 8 - 3, 2, 1, Liftoff Rocket Launcher - paper, scissors, coloring supplies, 2 straws (disposable paper or plastic, need to be cut, one needs to fit inside the other), tape
Week 9 - DIY Dippin' Dots - sorbet in favorite flavors, vanilla yogurt (can be dairy free if needed), empty squeeze bottles (Dollar Tree and Walmart sell plastic condiment bottles that work perfectly), wax paper or parchment paper, sheet pan or plate that will fit in the freezer.
Week 10 - Squishy Spinner - copy paper or construction paper, tape, straw/skewer/dowel, scissors small piece of cardboard/cardstock/posterboard, glue
Week 11 - Like Oil and Water - cooking oil, water, cardstock or heavy paper, shallow baking dish, food coloring, eye dropper/pipette, drying rack/cookie rack with an old towel underneath 
Week 12 - Spinners - cardstock, scissors, glue stick, liquid glue/hot glue (with supervision), toothpicks, coloring supplies, something circular to trace, a handful of large beads (wooden beads work great) 
Week 13 - Cardboard Tube Sculptures - cardboard tubes (empty toilet paper or paper towel rolls), scissors, glue, paint
Week 14 - DIY Slushies - Juice/Sports Drink of choice, Quart size ziplock bag, Gallon size ziplock bag, ice, salt 
Week 15 - Clay crackers - Soft Clay (Not air dry), toothpick, nail polish in color(s) of choice
Week 16 - DIY Mini-Projector - Dry erase markers in colors of choice, clear packing tape, paper/plastic cup, a light source (flashlight or phone flashlight work great)