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Nikipoo is in Persian (Farsi) today — narrator, texts and lessons follow the Iranian school curriculum. An English edition is on the way.

Living Things Basket

Sort things into groups

A Science learning game for primary school, Grade 1 to Grade 6

SubjectScience Grades1 to 6 Levels425 Free in every lesson10–30%

Sort things into groups: living or non-living? Solid, liquid or gas? Floats or sinks? Natural or man-made?

The Android app is on Cafe Bazaar and Myket, Iran's app stores. Anywhere else, play the online version in any browser.

Living Things Basket is part of the Nikipoo School app, alongside 85 other games. The game is in Persian.

What does it look like?

Screenshot of Living Things Basket — Natural or man-made?
Natural or man-made?
Grade 3, level 4
Screenshot of Living Things Basket — 240 levels
240 levels
Step by step, easy to hard

About the game

Drop each card into its right basket. A wrong basket flashes red for a moment and the card stays put so the child thinks again — sorting is the foundation of understanding a concept.

  • A narrator reads every level's instruction aloud (in Persian)
  • Mistakes are never scolded; the child is encouraged to try again
  • After installing, it works offline

Living Things Basket — an educator's view

Sorting is the first step in understanding any science concept, and Living Things Basket builds its whole game around it. Every card has to land in its right basket: living or non-living, herbivore or carnivore, floats or sinks, natural or man-made, conductor or insulator, physical or chemical change, and in grade 6, mixture or pure substance, homogeneous or heterogeneous. Each grade has its own baskets, and in some levels three baskets sit side by side, so the child has to see the boundary between groups more precisely.

A concept built from its boundaries

A child understands what "living" means when they see what isn't living. Each card is a small decision about the boundary between two groups, and through repeating these decisions, the definition of the concept takes shape in their mind without ever memorizing a sentence.

Spotting the defining feature

A thing has several features at once; an apple is red, round and edible all together. The child learns to look past all the features and pick out just the one the baskets are asking for, and to switch that criterion when the level changes. This flexibility is part of the mind's executive skills, also used in problem-solving.

A fresh look at everyday objects

Levels like "floats or sinks?", "what does a magnet pick up?" and "the scientist's kitchen" return to things the child sees at home every day. Sorting on screen becomes a way to look at these familiar objects with a researcher's eye.

A pause before deciding again

If a card lands in the wrong basket, the basket flashes red for a moment and the card stays put so the child can think again. They learn to pause and reconsider their decision — a skill that moves them from a hasty reaction toward a considered thought.

A tip for parentsSet out a basin of water and bring a few safe household items like a cork, a coin, a leaf, an eraser and a plastic spoon. Before dropping each one in, have the child place it on paper in one of two columns, "floats" or "sinks"; then test it together and check the guesses.

Grade by grade, what does it teach?

Level titles are listed in the order the child plays them — from easy to hard, following the school textbook.

Grade 180 levels
  1. My body
  2. Hand and foot, or table and chair?
  3. Breather: sky and ground
  4. Edible or not edible?
  5. Table or shelf?
  6. Breather: fruits
  7. Living or non-living?
  8. Living things again
  9. Plant or animal?
  10. Bird or four-legged animal?
  11. Breather: living things
  12. Search for living things
  13. Tame or wild?
  14. Where did this food come from?
  15. Breather: plant and animal
  16. Garden and zoo
  17. Wings or four legs?
  18. Three baskets: plant, animal, non-living
  19. Bird, four-legged animal, plant
  20. Where do living things live? 4
  21. Farm or forest?
  22. From the garden, or from cows and bees?
  23. Plants and animals
  24. Feathers and legs
  25. Three baskets again
  26. Three baskets: the garden
  27. Find the fruits
  28. Boss: living and non-living
  29. Fruit basket
  30. Wearable or edible?
  31. Cupboard or table?
  32. What gives off light?
  33. Boss: edible and inedible
  34. Things that give light
  35. Boss: table, cupboard, bag
  36. Sky or ground?
  37. Table, cupboard, bag
  38. Look up
  39. Three baskets: home and school
  40. Grade 1 celebration: three baskets of living things
Grade 265 levels
  1. My five senses
  2. The senses at work
  3. Get to know the senses
  4. Herbivore or carnivore?
  5. Tame or wild?
  6. Three ways of eating
  7. Animal lunch
  8. Farm or forest?
  9. The omnivores join in
  10. Grass or prey?
  11. Near us or far from us?
  12. Animal dinner table
  13. Each animal, its own food
  14. Ice or water?
  15. Winter and spring
  16. Solid or liquid?
  17. Let's build and have fun
  18. Edible plants
  19. From which part of the plant?
  20. An edible garden
  21. Breather: animal nests
  22. Home in water or on land?
  23. Egg-layer or live-bearer?
  24. Breather: ice and water
  25. Home in a tree or underground?
  26. Boss: herbivore and carnivore
  27. Sea or plain?
  28. Breather: tame and wild
  29. Chick or baby?
  30. Where are the nests?
  31. Swimmers and runners
  32. Where are the eggs?
  33. Above the tree, below the ground
  34. Home in water or on land? 4
  35. Healthy teeth
  36. Boss: egg-layer and live-bearer
  37. A bright smile
  38. Breather: healthy teeth
  39. Boss: water and land
  40. Taking care of teeth
  41. Getting ready for the party
  42. From Wheat to Bread
  43. Grade 2 celebration: three ways of eating
Grade 375 levels
  1. Foods
  2. States of matter
  3. Three states of matter
  4. What shape are materials?
  5. The materials around us
  6. States of matter 5
  7. Three states of matter 6
  8. The water cycle
  9. Does light pass through?
  10. Light and shadow
  11. Can you see through it?
  12. Does light pass through? 4
  13. Light and shadow 5
  14. Floats or sinks?
  15. Breather: magnets
  16. Push or pull?
  17. In a basin of water
  18. The strength of my hands
  19. Breather: natural and man-made
  20. On top of the water or at the bottom?
  21. Forward, or toward me?
  22. Floating or sinking? 4
  23. Push or pull? 4
  24. In the water basin 5
  25. Breather: pushing and pulling
  26. The strength of my hands 5
  27. What does a magnet pick up?
  28. Playing with magnets
  29. Boss: magnets
  30. Does it stick or not?
  31. Boss: floating and sinking
  32. Find the iron objects
  33. Breather: floating and sinking
  34. Boss: natural and man-made
  35. What does a magnet attract? 5
  36. Playing with magnets 6
  37. Natural or man-made?
  38. From nature or from a factory?
  39. What does nature give us?
  40. Natural or man-made? 4
  41. From nature or from a factory? 5
  42. Grade 3 celebration: solid, liquid, gas
Grade 470 levels
  1. Which is the light source?
  2. Its own light, or borrowed light?
  3. Fireflies
  4. Which is the light source? 4
  5. Does it dissolve or not?
  6. Breather: heat conductors
  7. The test glass
  8. Breather: flowering and non-flowering plants
  9. Stir and see
  10. Breather: light sources
  11. Does it dissolve or not? 4
  12. Breather: natural resources
  13. Renewable resources
  14. Will it run out?
  15. Earth's treasures
  16. Renewable resources 4
  17. Conductor or insulator?
  18. Complete the circuit
  19. Does the bulb light up?
  20. Conductor or insulator? 4
  21. Heat conductors
  22. Don't burn your hand!
  23. The scientist's kitchen
  24. Heat conductors 4
  25. Get to know the rocks
  26. Three rock families
  27. Rock collection
  28. Little geologist
  29. Vertebrate or invertebrate?
  30. The spine
  31. Animals with bones
  32. Vertebrate or invertebrate? 4
  33. Invertebrates
  34. Flowering or non-flowering?
  35. Boss: electrical conductors and insulators
  36. Spring in the garden
  37. Boss: vertebrate and invertebrate
  38. Non-flowering plants
  39. Boss: dissolving in water
  40. Flowering or non-flowering? 4
  41. Grade 4 celebration: rocks
Grade 565 levels
  1. The five groups of vertebrates
  2. Each animal, its own group
  3. Get to know the vertebrates
  4. The vertebrate family
  5. Five groups of vertebrates 5
  6. Each animal, one group 6
  7. Get to know vertebrates 7
  8. Hidden and visible energy
  9. Stored or moving?
  10. Energy at work
  11. Hidden and visible energy 4
  12. Stored or moving? 5
  13. Energy at work 6
  14. Body systems
  15. Each organ, its own job
  16. A journey inside the body
  17. Body systems 4
  18. Each organ, one job 5
  19. Journey inside the body 6
  20. Food chain
  21. Roles in nature
  22. Nature's recyclers
  23. Food chain 4
  24. Roles in nature 5
  25. Nature's recyclers 6
  26. Physical or chemical?
  27. Breather: stored and moving energy
  28. Was a new substance made?
  29. Boss: vertebrate groups
  30. The kitchen laboratory
  31. Breather: body systems
  32. Boss: physical and chemical change
  33. Physical or chemical? 4
  34. Breather: physical and chemical change
  35. Was a new substance made? 5
  36. Boss: food chain
  37. Kitchen laboratory 6
  38. Breather: vertebrate groups
  39. Physical or chemical? 7
  40. Plant and eat
  41. Grade 5 celebration: vertebrate groups
Grade 670 levels
  1. Food groups
  2. A healthy plate
  3. The food pyramid
  4. A colorful table
  5. Food groups 5
  6. Homogeneous or heterogeneous?
  7. Separating mixtures
  8. Uniform or in pieces?
  9. Each mixture, its own method
  10. A close look
  11. Separation workshop
  12. Homogeneous or heterogeneous? 4
  13. Separating mixtures 4
  14. My car
  15. Clean energy
  16. Breather: plant and animal cells
  17. Runs out, or lasts forever?
  18. Breather: energy sources
  19. Tomorrow's energy
  20. Breather: nutrients
  21. Clean energy 4
  22. Mixture or pure substance? 4
  23. Breather: mixtures and pure substances
  24. Exhaustible or lasting? 5
  25. Plant and animal cells
  26. Under the microscope
  27. The tiny building blocks of life
  28. Plant and animal cells 4
  29. Under the microscope 5
  30. Nutrients
  31. Mixture or pure substance?
  32. Boss: energy sources
  33. The body's fuel
  34. Several things together?
  35. Boss: mixtures and pure substances
  36. Building and energy
  37. Materials lab
  38. Nutrients 4
  39. Boss: separation
  40. Fuel for the body 5
  41. From past to future
  42. Grade 6 celebration: food groups

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Open Nikipoo School — Living Things Basket and 85 other games are waiting for you.

The Android app is on Cafe Bazaar and Myket, Iran's app stores. Anywhere else, play the online version in any browser.