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3600 apps · Showing 3361–3456
Learning & Reference
313 appsLearning & Reference: Sound Science
Learning & Reference: Space & Astronomy
Learning & Reference: Space & Planets
Alien Year Age Calculator
Type your Earth age and count how many trips you would make around another star.
Exoplanet Discovery Timeline for Kids
Travel from a 1992 discovery to newer worlds found by watching stars and shadows.
Exoplanet Distance Race for Kids
Race two faraway worlds and see how many years even light would need to reach them.
Exoplanet Explorer for Kids
Explore 12 real faraway worlds and compare their stars, years, sizes, and distances.
Exoplanet Size Comparer for Kids
Put two exoplanets side by side and see how their sizes compare with Earth.
Exoplanet Temperature Explorer for Kids
Compare estimated temperatures on rocky worlds and giant planets far from Earth.
Space Fact Flipbook for Kids
Explore six clear pages about planets, the Moon, or stars.
Learning & Reference: Spelling Practice
Hyperlegible Spelling Sheet Maker
Give up to ten spelling words distinct shapes and wide writing lines.
OpenDyslexic Spelling Sheet Maker
Make a printable ten-word spelling page in OpenDyslexic with wide writing lines.
Spelling Word Magic Revealer
Scramble one spelling word, say it aloud, then watch every correct letter return.
Learning & Reference: Sun Position
Observer Height Sunrise Calculator
Compare sea-level sunrise and sunset with an observer standing above the horizon.
Shadow Length Calculator
Use the sun angle and an object's height to estimate its level-ground shadow length.
Solar Noon Calculator
Find local solar noon, the day's highest sun angle, and the darkest night point.
Solar Panel Sun Angle Helper
Find the panel tilt and compass direction that faces the sun at one exact time.
Sun Position Calculator
Calculate the sun's altitude, compass direction, and horizon status for a place and time.
Sunrise Direction Calculator
Calculate the sunrise compass bearing, time, and plain direction for any place and day.
Sunset Direction Calculator
Calculate the sunset compass bearing, time, and plain direction for any place and day.
Learning & Reference: Systems Thinking
Balancing Feedback Loop Explorer
Watch a fan push back against heat and help a room move toward balance.
Cause-and-Effect Loop Maker for Kids
Name four connected ideas and watch a change travel all the way around.
Ecosystem Loop Maker for Kids
Follow rain, plants, animals, and soil around a simple meadow system.
Habit Loop Mapper for Kids
Map how a cue, action, reward, and repeat can turn into a habit.
Positive Feedback Loop Explorer
See how practice, skill, confidence, and motivation can help one another grow.
Learning & Reference: Tracing & Fine Motor
Alphabet Tracing Board for Kids
Choose A, B, or C, start at the green dot, and follow a clear dotted letter with a steady brush.
Number Tracing Board for Kids
Follow a large dotted 1, 2, or 3, then draw the same number of stars, dots, or hearts.
Pre-Writing Lines Board for Kids
Move from Start to Finish along three large dotted paths and practice steady hand movements at your pace.
Shape Tracing Board for Kids
Trace a circle, triangle, or square, then draw the shape again and turn it into a character.
Learning & Reference: U.S. Geography
Learning & Reference: Visual Learning
Learning & Reference: Visual Novels
Book Report Visual Novel Maker for Kids
Turn a setting, problem, choice, and lesson into a playable report.
Classroom Visual Novel Maker for Kids
Turn a small classroom problem into a calm practice story.
Feelings Visual Novel Maker for Kids
Show a feeling, choose a helpful action, and write what changes.
Friendship Visual Novel Practice for Kids
Try a kind question, a clear answer, and a helpful next step.
History Role-Play Visual Novel for Kids
Write a past problem and compare what different choices can do.
Vocabulary Visual Novel Maker for Kids
Use clues, dialogue, and examples to make a new word easy to learn.
Learning & Reference: Vocabulary Supports
Learning & Reference: Vocabulary Tools
Games & Play
199 appsGames & Play: Printable Puzzles
Easy Maze Generator
Make a small maze with roomy paths for kids who are just getting started.
Easy Sudoku for Kids
Try an easy number puzzle and check your work one square at a time.
Hard Maze Generator
Build a bigger maze with many turns for kids who want a real challenge.
Maze Answer Key Maker
Make a maze with a clear answer path for parents, teachers, and puzzle helpers.
Medium Sudoku Puzzle
Solve a medium Sudoku when you are ready for fewer clues and more thinking.
Printable Maze Maker
Make a one-of-a-kind maze, then print it or save it as an SVG picture.
Printable Sudoku with Answers
Print a Sudoku puzzle and reveal its full answer when it is time to check.
Games & Play: Puzzles & Cubes
Cube Algorithm Checker
Check cube move notation and see a clean version before you practice it.
Cube Algorithm Inverter
Flip a cube algorithm so every move runs backward in the right order.
Cube Move Counter
Count the turns in a cube algorithm, including groups, repeats, and commutators.
Rubik's Cube Scramble Generator
Make a fresh practice scramble for a 2×2, 3×3, 4×4, Pyraminx, Skewb, or Megaminx puzzle.
Games & Play: Word Games
Emoji Riddle Maker
Make a small emoji clue and challenge someone to guess the hidden word.
Example Sentence Word Game for Kids
Read a real example sentence and choose the word that belongs with it.
Friendly Definition Match Game for Kids
Read a word and choose the human-edited definition that matches it.
Pretend Excuse Machine
Make a clearly pretend, extra-silly excuse for a story, skit, or joke.
Spelling Word Search Maker
Make a friendly word search that hides spelling words forward and sideways.
Themed Word Search Generator
Pick animals, space, school, or nature and get a ready-to-play word search.
Word Definition Quiz for Kids
Pick the meaning that matches a familiar word and get a quick answer.
Word Relationship Quiz for Kids
Choose the word that is a kind, part, whole, group, or opposite.
Word Search Answer Key Maker
Create a word search and highlight every hidden word when you need the answers.
Word Search Maker
Turn your own word list into a neat letter puzzle you can print and solve.
Games & Play: Creative Play
Games & Play: Music & Sound
Coin Sound Effect Maker
Create a cheerful coin or treasure pickup sound for a pretend game win.
Jump Sound Effect Maker
Make a bouncy jump sound that fits a tiny hero, frog, or space creature.
Laser Sound Effect Maker
Make a fresh pew, zap, or space laser sound each time you press the button.
Musical Typing Keyboard
Turn the letter keys on your computer into notes on a little piano.
Online Piano for Kids
Play a bright two-octave piano with your mouse, finger, or computer keys.
Retro Game Sound Maker
Make coins, lasers, jumps, blips, and booms that sound like an old video game.
Games & Play: Physics Play
Games & Play: Randomizers & Pickers
Coin Flip
Flip one coin or a whole batch, see heads and tails totals, and track every round without signup.
Dice Roller
Roll up to 20 dice with 4, 6, 8, 10, 12, 20, or 100 sides, then add a bonus and keep the history.
Raffle Picker
Draw one or many winners from a pasted entry list, handle extra tickets, and keep an auditable result log.
Random Name Picker
Pick one or several names fairly, keep a clear draw history, and avoid picking the same person twice.
Random Number Generator
Generate one or many numbers in any range, with unique results, decimals, sorting, and easy copying.
Spin Wheel
Make a colorful wheel, spin it, remove winners if you want, and share the exact setup with your group.
Yes or No Wheel
Spin a simple yes or no wheel, change the two answers, or adjust the odds for games and group decisions.
Games & Play: Groups & Teams
Games & Play: Gift Exchanges
Games & Play: 3D Physics Games
3D Block Tower Builder for Kids
Move the guide, drop eight chunky blocks, and see how high your steady 3D tower can grow.
3D Bowling Alley Game for Kids
Choose a starting spot, roll the blue ball, and knock down ten soft pins in a friendly 3D lane.
3D Domino Chain Reaction for Kids
Tip the first domino and watch one small push travel through a row of twelve 3D blocks.
3D Marble Ramp Race for Kids
Release bright marbles one at a time and watch real 3D gravity carry them down a long ramp.
3D Peg Drop Game for Kids
Pick a starting spot and watch six balls bounce through a 3D field of round pegs.
3D Seesaw Balance Game for Kids
Choose a side, place soft weights, and keep a hinged 3D seesaw close to level for five stars.
Comet Target Physics Game for Kids
Change the launch angle and guide five tiny comets along curved paths into a glowing target.
Moon Bounce Physics Lab for Kids
Boost a golden moon ball and count eight slow bounces while gentle gravity pulls it back down.
Wiggly Bridge Physics Test for Kids
Send five round parcels across a wiggly bridge and watch each linked plank pull on the next.
Zero-Gravity Space Gates for Kids
Launch a small pod and steer through three glowing gates in a calm lane with no gravity.