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Top 9 homeschool co-op class ideas that need no purchase

Ours is on this list: four Peabody Workshop builds, ranked by the same rule as the rest. No Kitchen recipe is here, because every recipe needs food bought. We found nine, not ten.

Co-op classes that need nothing bought use paper, printouts and things from home. A paper airplane test-flight lab needs three sheets and tape; NASA Space Place's planet masks need a printout, scissors and tape. Ramp races, walking water and a shoebox guitar use books, cups, paper towels and rubber bands. For history, DocsTeach has free activities built on National Archives documents.

Checked October 30, 2026.

By Peabody editors. Hands-on classes first, by how few things their own page lists; then booklet and online classes. Only pages that list no special purchase.

  1. Paper Airplane Lab (Peabody Workshop) (Ours)Fold planes and test how wings and weight make one glide or dive. The page lists 3 sheets of paper and tape, says free, and fits grades 1–5 in about 30 minutes, read aloud step by step. Opened October 30, 2026.
  2. NASA Space Place planet masksPrint a planet, cut it out with eye holes and tape a paper band to wear it. The page lists the printout, scissors and tape, with a fact about each planet to share. Opened October 30, 2026.
  3. Ramp Races (Peabody Workshop) (Ours)Prop a ramp on books and race a toy car down it to see that a steeper ramp makes a faster car. Cardboard or a big book, 4 books, a toy car and tape; free, grades K–3, about 20 minutes. Opened October 30, 2026.
  4. Walking Water (Peabody Workshop) (Ours)Coloured water climbs paper towels from cup to cup and mixes new colours. Seven clear cups, six paper towels and red, yellow and blue food colouring; free, grades K–8, about 15 minutes. Opened October 30, 2026.
  5. Shoebox Guitar (Peabody Workshop) (Ours)Stretch rubber bands over a box and hear that a tighter, thinner band sounds higher. A shoebox or tissue box, 4 rubber bands, a pencil, a cardboard tube and tape; free, grades K–3, about 30 minutes. Opened October 30, 2026.
  6. NASA Space Place Earth fanA folding fan coloured in Earth's layers, from the thin crust to the solid inner core. The page lists three copies of its worksheet, scissors, a glue stick and two jumbo craft sticks. Opened October 30, 2026.
  7. NASA Space Place "see inside a closed box"Cover a box hiding a toy with paper, poke a straight stick through, measure how deep it goes at each hole and colour by depth to make a topographic map. The page ties it to how radar mapped the Earth. Opened October 30, 2026.
  8. National Park Service Junior PaleontologistA booklet to download as a PDF in English or Spanish on how paleontologists work, Earth's history and protecting fossils. Mail the finished booklet to the Park Service for a badge; the page does not say whether there is a cost. Opened October 30, 2026.
  9. DocsTeach (National Archives Foundation)History classes built on National Archives documents: letters, photographs, maps and speeches. 294 activities open with no account; free registration unlocks 427 more and lets you build your own. Opened October 30, 2026.

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