All 100 projects
Technology
Build Your Own JavaScript Quiz App
Code an interactive quiz in the browser using HTML, CSS, and JavaScript—no frameworks needed, just pure DOM ma…
Technology
Build Your Lemonade Stand Business Model in Google Sheets
Create a working spreadsheet that tracks income, expenses, and profit for a lemonade stand business using real…
Technology
Block Pattern Loop Lab
Build repeating patterns with colored blocks to learn about loops and sequences, the building blocks of progra…
Technology
Maze Directions: Coding Without a Computer
Guide a friend through a floor maze using only directional words—no screens needed—perfect for introducing how…
Science
Marble Coaster Madness: Kinetic vs. Potential Energy
Build a foam-tube marble coaster and physically feel the difference between stored and moving energy — great f…
Mathematics
Fraction Pizza Party: Real Math You Can Eat
Build and slice paper pizzas to discover how fractions show up in everyday life — great for ages 7+.
Science
Thermal Niche Analysis
Use your field observations to map a reptile's thermal niche — the temperature window where it is most active …
Science
Submit Your First Reptile Sighting
Document a reptile observation with thermal context — microhabitat, sun exposure, substrate, and observed beha…
Science
Basking Watch
Run a 15-minute focal observation session on one basking reptile, documenting thermoregulatory behavior — bask…
Science
Thermal Habitat Survey
Map the thermal properties of a small outdoor area, predict which microhabitats reptiles will use most, then g…
Science
Meet the Reptiles
Learn the body plans and field marks of the four living reptile orders, then go find representatives in your a…
Technology
Brand Identity System
Create a complete three-piece brand identity — logo, color palette, and one real application — for a project, …
Technology
Design a STEMigoo Project Card
Design a shareable visual summary card for any STEMigoo project — applying all four CRAP layout principles to …
Technology
Redesign This
Find a genuinely bad design, write a critique using the CRAP principles, then rebuild it from scratch. The cri…
Technology
Design a Zine Page
Learn the four layout principles that separate intentional design from random arrangement — then apply them to…
Science
Home Range Estimation
Plot all your mammal sign locations on a map, draw a minimum convex polygon around them, and calculate the app…
Science
Submit a Mammal Sign Sighting
Document one piece of mammal sign and submit it to Nature Path — and learn why sign-based records are valid an…
Science
Track Story
Follow a mammal trail from beginning to end, read what the sign tells you, and reconstruct what the animal was…
Science
Mammal Sign Survey Transect
Walk a 100-meter transect and record every piece of mammal sign you encounter — tracks, scat, dens, browse lin…
Science
Read a Track
Learn to identify 5 common mammals by their footprint shape and gait pattern — the same method used by wildlif…
Science
Predator-Prey Web Mapping
Map the food web centered on one arachnid — what it eats, what eats it, and how the entire web shifts if the s…
Science
Submit Your First Arachnid Sighting
Document one arachnid observation and submit it to Nature Path — and learn why arachnid records are among the …
Science
Arachnid Behavior Watch
Run a 15-minute focal observation session on one spider — the same method used in Bird Behavior Watch and Inse…
Science
Spider Web Survey
Survey a small area for spider webs, identify the web architecture type, predict the hunting strategy — and fi…
Science
Meet the Arachnids
Learn the eight-legged body plan that separates arachnids from insects, then identify 5 major orders — spiders…
Science
Insect Diversity Survey
Survey insects in two contrasting microhabitats and calculate the Simpson Diversity Index for each — a real to…
Science
Submit Your First Insect Sighting
Document one insect observation completely and submit it to Nature Path — and learn why insects are the most u…
Science
Insect Behavior Watch
Run a 15-minute focal observation session on a productive insect patch — a flower head, an ant trail, or a dun…
Science
Insect Microhabitat Hunt
Search four distinct insect microhabitats — under rocks, on flower heads, in leaf litter, on bark — then compa…
Science
Meet the Insects
Learn the body plan that all 1 million insect species share, then learn the field marks for 6 major orders — a…
Science
Submit Your First Bird Sighting
Document one bird observation completely enough to submit to Nature Path — and learn why every sighting record…
Science
Bird Behavior Watch
Run a 15-minute timed bird observation session, tallying behaviors by category — then compare morning vs. afte…
Science
Bird Habitat Hunt
Survey a small outdoor area for bird habitat features — food sources, shelter, water, nesting spots — then pre…
Science
Meet Your Backyard Birds
Learn to identify 5 common birds by their field marks — color patches, beak shape, size, and tail — then make …
Science
Build a Working Lung Model
Build a model that actually breathes. Two balloons inside a bottle show exactly how your diaphragm pulls air i…
Science
Build Your Own Dichotomous Key
Build a branching yes/no identification guide for leaves or insects in your backyard — then test whether a str…
Art
Color Theory Mixing Wheel
Mix a complete 12-color wheel from just three primary paint colors, learning color relationships, tints, shade…
Art
Comic Strip Storytelling
Write and draw a complete 8-panel comic strip — from concept and script to finished art — learning the visual …
Art
Watercolor Resist Painting
Draw with wax crayons or oil pastels, then wash over the whole surface with watercolor — the wax repels the pa…
Art
Linocut Block Printing
Carve a design into a linoleum block and print multiple identical copies — a traditional printmaking technique…
Mathematics
Golden Ratio Hunt
Measure φ (phi) in nature, architecture, art, and your own face — then investigate which appearances of the go…
Mathematics
Design a Survey and Analyze the Data
Design a real survey, collect responses from at least 20 people, clean the data, and create charts that reveal…
Mathematics
Buffon's Needle Pi Experiment
Estimate the value of π by dropping toothpicks on a lined sheet and counting how many cross a line — a 250-yea…
Mathematics
Math in Music
Discover how fractions, ratios, and patterns govern rhythm, scales, and harmony — then compose a short piece u…
Engineering
Cardboard Automaton
Build a hand-cranked cardboard machine that converts rotation into a character's movement using cams and crank…
Engineering
Wind Sail Car Challenge
Build a lightweight car powered only by wind from a fan, then optimize the sail shape and car weight to maximi…
Engineering
Pulley System Crane
Build a working crane from cardboard and string, add pulley wheels, and measure how each configuration changes…
Engineering
Build a Mini Trebuchet
Build a working tabletop trebuchet from craft sticks and investigate how counterweight mass and arm length aff…
Technology
Record and Edit a Podcast Episode
Plan, record, and edit a complete 5-minute podcast episode using free tools — learning audio production fundam…
Technology
Build a JavaScript Quiz App
Write your first interactive web app — a multiple-choice quiz that keeps score and shows results — using HTML,…
Technology
Program a Micro:bit Mood Badge
Program a BBC micro:bit to display different emoji faces when you press its buttons, then wear it as a wearabl…
Technology
Design a Logo with Inkscape
Learn vector graphics fundamentals by designing a real logo in Inkscape — a free, professional-grade tool used…
Science
Yeast and Sugar Balloon
Feed sugar to yeast, capture the CO2 gas they produce, and inflate a balloon without blowing into it — a livin…
Science
Magnetic Slime
Mix iron filings into homemade slime to create a ferrofluid-like material that crawls toward a strong magnet —…
Science
Cloud in a Bottle
Make a real cloud appear and disappear inside a plastic bottle using air pressure and a tiny bit of rubbing al…
Science
Invisible Ink Chemistry
Write secret messages with invisible ink using lemon juice or baking soda, then reveal them with heat or a pH …
Art
Cyanotype Sun Prints
Coat paper or fabric with a light-sensitive iron solution, arrange objects on the surface, and develop a strik…
Art
Geometric String Art on a Nail Board
Hammer nails in geometric patterns on a painted board, then wrap embroidery thread to create curved, hypnotic …
Art
Natural Plant Dye Tie-Dye
Extract natural dyes from plants, mordant a cotton shirt, and tie-dye it with traditional fold-and-bind techni…
Art
Build a Pinhole Camera
Build a working pinhole camera from a cardboard box, photograph a scene using photo paper, and develop your im…
Mathematics
Cryptography: Encode and Decode Secret Messages
Learn how Caesar ciphers, Vigenère ciphers, and frequency analysis work — then encrypt and crack real messages…
Mathematics
Tessellations with Paper Tiles
Discover which polygons tile the plane, create regular and semi-regular tessellations, then design your own Es…
Mathematics
Statistics: Track and Graph Local Bird Sightings
Conduct 10-minute bird counts over multiple sessions, record species and quantity, then apply descriptive stat…
Engineering
Build a Cardboard Marble Run
Design and build a multi-track marble run from cardboard tubes and paper, apply the physics of ramps, curves, …
Engineering
Straw Suspension Bridge
Build a model suspension bridge from drinking straws, string, and tape — then load it with pennies and test ho…
Engineering
Earthquake-Proof Tower Challenge
Design and build the tallest tower you can from spaghetti, tape, and index cards — then test it against a simu…
Engineering
Popsicle Stick Catapult
Build a working catapult from popsicle sticks and rubber bands, then experiment with launch angle and tension …
Technology
Binary Code Bracelet
Learn how computers store text as binary numbers, then encode your name into 0s and 1s and weave it into a bea…
Science
Seed Germination Race
Test how light, temperature, and soil type affect how fast seeds sprout. Set up a controlled experiment with m…
Science
Compost Jar and Decomposition Tracker
Build a small compost jar, add kitchen scraps, and document the decomposition process with weekly photos and m…
Science
Test Water Quality from Local Sources
Collect water from multiple local sources, test them with a multi-parameter test kit, and compare results to s…
Science
Build a Homemade Barometer
Build a working barometer from a jar, balloon, and straw — then track air pressure changes and predict the wea…
Engineering
Pizza Box Solar Oven
Build a solar oven from a pizza box and household materials, then use it to melt chocolate or make s'mores. Me…
Engineering
Hydraulic Claw
Build a robotic grabbing arm powered entirely by water pressure. No electricity, no motors — just syringes, tu…
Technology
Paper Circuit Night Light
Build a working LED night light using copper tape, a coin battery, and card stock. No soldering required — a h…
Art
Sketchbook Field Journal
Build a scientific field journal combining observational sketching and written notes to document a single outd…
Art
Op Art Illusions
Create optical illusion artworks using geometric patterns and precise line work — and learn the perceptual sci…
Art
Nature Printing
Create detailed print art using leaves, flowers, and found objects dipped in paint, building a field guide of …
Art
Symmetry Butterfly Painting
Create bilateral symmetry paintings using the fold-and-press method, then explore the mathematics and biology …
Art
Marbled Paper with Shaving Cream
Create swirling marbled paper patterns using shaving cream, food coloring, and a comb — and learn how fluid dy…
Mathematics
Geometric Origami
Fold a series of origami models — cube, octahedron, and icosahedron — to explore 3D geometry, symmetry, and th…
Mathematics
Probability Coin Flip Experiment
Flip a coin 200 times and chart the results to see how probability predictions compare to real outcomes — and …
Mathematics
Measure a Tree Without Climbing It
Use the geometry of similar triangles to calculate the height of any tree or building using only a ruler, tape…
Mathematics
Statistics with Candy
Use a bag of candy to collect real data, then calculate mean, median, mode, and range and build a distribution…
Mathematics
Fibonacci in Nature
Hunt for the Fibonacci sequence in plants, pine cones, and flowers — then document how mathematics is literall…
Engineering
Rubber Band Powered Car
Build a rubber band powered car from cardboard and skewers, then experiment with rubber band length and axle d…
Engineering
Build a Simple Water Filter
Build a layered water filtration system from a plastic bottle, sand, gravel, and charcoal — then test how effe…
Engineering
Egg Drop Challenge
Design and build a protective structure using everyday materials that keeps a raw egg intact when dropped from…
Engineering
Straw Rocket Launch
Build and launch paper rockets powered by a straw and your breath, then use measurements and redesign to maxim…
Engineering
Paper Bridge Challenge
Design and build the strongest possible bridge using only paper and tape, then load-test it with pennies to fi…
Technology
QR Code Scavenger Hunt
Design and build a QR code scavenger hunt linking physical locations to digital clues that lead participants s…
Technology
Data Dashboard with Google Sheets
Collect real data about your daily life, enter it into Google Sheets, and build charts that reveal patterns yo…
Technology
Stop Motion Animation
Create a short stop motion animation using LEGO figures, clay, or household objects and a smartphone — no spec…
Technology
Scratch Animated Story
Create an animated short story in MIT Scratch using sprites, backgrounds, dialogue, and motion blocks — no pri…
Technology
Build Your First Web Page
Write a personal webpage from scratch using HTML and CSS — no experience needed. Learn how the internet actual…
Science
Grow Your Own Mold Garden
Observe mold growing on different foods under controlled conditions to study fungi, decomposition, and what fa…
Science
Leaf Chromatography
Separate the hidden pigments inside green leaves using rubbing alcohol and coffee filters to discover the colo…
Science
Homemade Lava Lamp
Build a working lava lamp using water, oil, food coloring, and Alka-Seltzer to explore density, polarity, and …
Science
Borax Crystal Snowflakes
Grow sparkling crystals on a pipe cleaner snowflake by creating a supersaturated borax solution and watching c…
Science
Red Cabbage pH Indicator
Use red cabbage juice to test everyday household liquids and discover which ones are acids and which are bases…