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43 lessons
Soup Can Tower
2nd Grade · 1 meetings
Magic Rollback Can
2nd Grade · 1 meetings
Friendship Bracelets
2nd Grade · 1 meetings
Magnus Flyers
2nd Grade · 1 meetings
Zoetrope Animation
2nd Grade · 1 meetings
Gravity-Powered Sorting Machine
2nd Grade · 2 meetings
Rubber-Band Paddle Boat
2nd Grade · 1 meetings
Materials Engineer: Milk Plastic
2nd Grade · 1 meetings
Invent an Insect
2nd Grade · 1 meetings
Build a Weather Instrument
2nd Grade · 2 meetings
Straw Rockets
2nd Grade · 1 meetings
God's Eye Level 2 — Six-Prong
2nd Grade · 1 meetings
Paint-Stick Pom-Pom Launcher
2nd Grade · 1 meetings
Windcart Build
2nd Grade · 2 meetings
Balancing Sculpture Level 2
2nd Grade · 1 meetings
Pulley Crane
2nd Grade · 2 meetings
Build a Seismograph
2nd Grade · 2 meetings
Scribbling Machines
2nd Grade · 1 meetings
Cardboard Automata
2nd Grade · 2 meetings
Robot Hand
2nd Grade · 2 meetings
Electromagnet Pickup Crane
2nd Grade · 2 meetings
Tilt-Switch Light Box
2nd Grade · 2 meetings
Cardboard Pinball Machine
2nd Grade · 3 meetings
Mini Breadboards — Guided Circuit Exploration
3rd Grade · 1 meetings
Electronics: Switches, Conductivity & Light Bulbs
3rd Grade · 2 meetings
Buzz Wire Game
3rd Grade · 2 meetings
Lenz's Law — Magnetic Braking Lesson
3rd Grade · 1 meetings
Build a Speaker
3rd Grade · 2 meetings
Elephant Toothpaste — Special Chemistry Lesson
3rd Grade · 1 meetings
Communicating Vessels — Same Water Level
3rd Grade · 1 meetings
Build a Machine to Lift Water
3rd Grade · 2 meetings
Water-Filter Engineer
3rd Grade · 2 meetings
PVC Paper Rockets
3rd Grade · 2 meetings
Balloon Hovercraft
3rd Grade · 1 meetings
Mini Rubber-Band Car
3rd Grade · 1 meetings
Atmospheric-Pressure Cart
3rd Grade · 2 meetings
Levitating Pencil
3rd Grade · 2 meetings
Bridge Engineering Under Constraints
3rd Grade · 2 meetings
The Great Marble Sorter
3rd Grade · 2 meetings
Hydraulic Claw / Lift
3rd Grade · 3 meetings
Pantograph Drawing Machine
3rd Grade · 2 meetings
God's Eye Level 3 — Spiraling Staircase
3rd Grade · 2 meetings
Ultimate Chain-Reaction Machine
3rd Grade · 3 meetings