Layered Cut-Paper Solar System Mobile

You will need

• Paper in multiple colorsScraps or full sheets; tan, blue, red, orange, white, yellow
• Child-safe scissors
• Thread or thin stringAbout 3 feet (90 cm) total, cut into 8 pieces
• Paper straws or rolled paper tubesTwo straws; roll paper tightly if none available
• Washable markersFor planet surface details
• White school glue or tapeFor layering Saturn's ring
• Hole punchoptionalOptional; a pencil point makes a hole too
• Permanent markeroptionalAdult use only, for labeling planet names if desired; cap immediately after use

  Adult labels only — cap immediately; keep away from young siblings.

Steps

1. 1

   Look up the planet order together

   Sit with your child and look at a reference showing all eight planets. Point out that Jupiter is about eleven times wider than Earth, and that Mercury is tiny. Say, 'We can't be perfectly to scale, but we can get the order of size right.' That framing takes the pressure off perfection.

   Tip: If you have no book, search 'planet size comparison' and print one image — one page is enough.

2. 2

   Draw and cut planet discs

   Your child draws circles freehand on colored paper — largest for Jupiter, then Saturn, Uranus, Neptune, Earth, Venus, Mars, Mercury in descending order — and cuts them out. The circles don't need to be perfect; slightly irregular edges read as planetary.

   Tip: Tracing around cups and lids gives clean circles if freehand is frustrating.

3. 3

   Decorate each planet accurately

   Using washable markers, your child adds surface details: Jupiter's horizontal bands, Saturn's rings (a separate ellipse cut from paper and glued behind the disc), Mars's rust-red tone, Earth's blue and green patches. Keep the reference visible throughout.

   Tip: A thin strip of paper glued behind Saturn like a collar is more convincing than drawing the ring on.

4. 4

   Punch holes and attach strings

   Make a small hole at the top of each planet disc with a hole punch or sharpened pencil point. Thread a piece of string through each hole and tie it. The strings should be different lengths so the planets hang at different heights.

   Tip: A small piece of tape over the knot on the back stops the thread from pulling through thin paper.

5. 5

   Build the two-tier mobile frame

   Lay two paper straws or rolled paper tubes parallel. Tie a string to the center of each as a hanging loop. Hang four planets from each straw, spacing them across the length. Tie a third string connecting the midpoints of the two straws so one hangs below the other.

   Tip: Hang the top straw from a door frame or coat hook while you work — it's much easier than holding it.

6. 6

   Balance by sliding thread positions

   Once all planets hang, the mobile will almost certainly tip to one side. Show your child that sliding the planets along the straw — not retying — shifts the balance. Work through it together: 'The heavier side needs its planets moved inward toward the middle.'

   Tip: A small piece of tape can lock a thread in place once balanced so it doesn't slide later.

7. 7

   Hang and observe the mobile

   Tie the finished mobile to a lamp hook, curtain rod, or a piece of tape on a door frame. Step back and look at it from different angles. Ask your child which planet they'd want to visit and why the order from the sun matters.

   Tip: Near a vent or open window it will rotate slowly, which makes the layers more visible.

Take it to the table

Materials checklist, the steps and the variations on one Letter page.