Welcome to a joyful ocean adventure with this under the sea amigurumi mobile! This pattern guides you through making a delightful nursery mobile featuring a friendly blue whale, a sweet green turtle, a smiling yellow starfish, a cheerful octopus, a vibrant clownfish, a coral piece, shells, seaweed, and decorative beads. With its playful palette and diverse sea life, this mobile will enchant babies and adults alike, providing both visual stimulation and a soothing sense of movement as the sea creatures gently sway overhead.
The mobile is bursting with color—bright blues, greens, sunny yellows, salmon-pinks, warm oranges, and soft off-whites. Each animal sports cute embroidered smiles and safety eyes for an extra dash of personality. The hanging elements add rich dimension: the aquatic friends are nestled among crocheted beads, twisting seaweed, and charm shells, all suspended from a sturdy, yarn-wrapped crossbar. This project is ideal as a baby shower gift, nursery decor, or a whimsical room accent—sure to become a treasured keepsake.
Creating this mobile is an immersive and creatively satisfying project. You’ll explore many staple amigurumi techniques, customize your sea creatures with details, and finish with a professionally constructed, securely assembled mobile. If you’re charmed by the sea, love cute amigurumi, or simply want to craft nursery art, you’ll find this project irresistible!
Project Overview
This decorative piece consists of several parts, each crocheted separately and then assembled:
- Six main motifs: whale, turtle, octopus, clownfish, starfish, shell/coral.
- Accessories: crocheted beads, seaweed strands, and additional sea elements.
- All motifs are worked in the round (amigurumi method) except the coral which is worked in rows, and seaweed which is crocheted as twisting strands.
- Motifs are sewn and strung onto yarn-wrapped dowels forming a balanced mobile frame.
Skill Level
Intermediate
This project uses basic and some intermediate amigurumi techniques, color changes, sewn-on details, and assembly skills. While the individual animals are beginner friendly, the assembly, shaping, and making multiple motifs raise the overall complexity.
Materials
- Yarn: Sport or light worsted weight cotton or cotton blend yarn in the following colors:
- Blue (whale, beads)
- Green (turtle, seaweed, beads)
- Yellow (starfish, beads)
- Pale pink or coral (octopus, coral, beads)
- Orange (clownfish, beads, coral)
- White/cream (shell, clownfish, whale tummy, beads)
- Black (clownfish stripes, embroidery, beads)
- Yarn Amounts: Approximately 30–40g each of main colors, 10–15g accents.
- Crochet hook: 2.25mm (B) or 2.5mm, or hook size to achieve tight amigurumi fabric.
- Stuffing: Polyester fiberfill.
- 12mm Safety eyes (or black embroidery thread).
- Tapestry needle (for sewing and embroidery).
- Scissors
- Stitch markers (for tracking rounds).
- Wooden dowels or embroidery hoop (2 dowels, each approx. 30cm/12in or hoop, for the mobile’s frame).
- Hot glue gun or strong non-toxic craft glue (for securing dowels and knots if needed).
Finished Size
- Overall mobile diameter: approx. 30–35cm (12–14 in) across
- Height (top bar to lowest motif): approx. 40–45cm (16–18 in)
- Individual animals: approx. 8–10cm (3–4 in) tall
To adjust the size, change your yarn weight and hook size proportionally and add or subtract row/round repeats as preferred for each motif.
Gauge
Approximately 24 sc per 10cm (4 in) in the round. Tension should be tight to prevent stuffing from showing. Gauge is not critical but will affect finished size—adjust accordingly if motifs are too large or small.
Stitches and Abbreviations
- ch – chain
- sl st – slip stitch
- sc – single crochet
- hdc – half double crochet
- dc – double crochet
- inc – increase (2 sc in 1 st)
- dec – decrease (sc 2 together)
- st(s) – stitch(es)
- MR – magic ring
- FLO – front loop only
- BLO – back loop only
Important Pattern Notes
- Unless stated, all motifs are worked in a continuous spiral (do not join rounds, use a stitch marker).
- Change colors at the last yarn over of the previous stitch for a neat transition.
- Chains at the start of rounds do not count as stitches unless specified.
- Right side should face out for all motifs unless otherwise indicated.
- Stuff motifs firmly but do not overstuff—this helps them keep shape.
- Sew features carefully, referring to the photo for placement and symmetry.
- Feel free to embroider or use safety eyes as preferred.
- Use yarn-wrapped dowels or an embroidery hoop for the mobile base, securing all strands evenly for balance.
Detailed Crochet Pattern
Part 1: Whale
- Body (Blue):
- Round 1: MR, 6 sc (6)
- Round 2: inc around (12)
- Round 3: (sc, inc) x 6 (18)
- Round 4: (2 sc, inc) x 6 (24)
- Round 5: (3 sc, inc) x 6 (30)
- Rounds 6–8: sc around (30)
- Round 9: (4 sc, inc) x 6 (36)
- Rounds 10–14: sc around (36)
- Round 15: (4 sc, dec) x 6 (30)
- Round 16: (3 sc, dec) x 6 (24)
- Insert safety eyes between Rounds 10–11, approx. 6 sts apart. Embroider smile.
- Round 17: (2 sc, dec) x 6 (18)
- Round 18: (sc, dec) x 6 (12)
- Stuff firmly.
- Round 19: dec around (6)
- Fasten off, weave in end.
- Tummy Patch (White):
- Ch 10, turn, sc in 2nd ch and next 7 (8)
- Rows 2–4: ch 1, sc across (8)
- Row 5: ch 1, dec, 4 sc, dec (6)
- Fasten off. Sew patch to whale’s underside.
- Tail Fins (Blue, make 2):
- Ch 6. Work 1 sc in 2nd ch from hook, hdc, dc, hdc, sc (5)
- Fasten off, sew to rear of body, slightly curved out.
- Water Spout (Blue, make 2):
- Ch 9, sl st in 2nd ch from hook and next 3, ch 4, sl st in 2nd ch and remaining; fasten off. Sew to top of head.
- Side Fins (Blue, make 2): Ch 5, hdc in 2nd ch and next, sc in last 2, fasten off, sew to each side.
Part 2: Turtle
- Shell (Dark green):
- Round 1: MR, 6 sc (6)
- Round 2: inc around (12)
- Round 3: (sc, inc) x 6 (18)
- Round 4: (2 sc, inc) x 6 (24)
- Round 5: (3 sc, inc) x 6 (30)
- Rounds 6–8: sc around (30)
- Fasten off, leave tail for sewing.
- Plastron (Light tan): Repeat shell as above, sew to shell on wrong side, lightly stuff.
- Head (Light green):
- Round 1: MR, 6 sc (6)
- Round 2: inc around (12)
- Round 3: (sc, inc) x 6 (18)
- Rounds 4–6: sc around (18)
- Add safety eyes and embroider smile.
- Round 7: (sc, dec) x 6 (12), stuff.
- Round 8: dec around (6), close and fasten off.
- Sew to shell edge.
- Flippers (Light green, make 4): Ch 5, sc in 2nd ch from hook, hdc, dc, sl st (4). Fasten off, sew two to sides, two just behind/below shell.
- Shell Markings (Off-white): Embroider hexagonal pattern or lines as seen in the image onto the shell using surface slip stitch or simple embroidery backstitch.
Part 3: Octopus
- Head (Coral or pink):
- Round 1: MR, 6 sc (6)
- Round 2: inc around (12)
- Round 3: (sc, inc) x 6 (18)
- Round 4: (2 sc, inc) x 6 (24)
- Rounds 5–9: sc around (24)
- Add safety eyes and embroider smile between Rounds 6–7.
- Round 10: (2 sc, dec) x 6 (18)
- Stuff firmly.
- Round 11: (sc, dec) x 6 (12)
- Round 12: dec around (6), close, fasten off.
- Tentacles (Pink, make 8):
- Ch 15–18, turn, sl st in 2nd ch, (sc, hdc, dc in each ch for curly effect), continue to end. Fasten off. Stitch all eight evenly spaced around lower edge of head.
Part 4: Clownfish
- Body (Orange, black, and white):
- Round 1: Using orange, MR, 6 sc (6)
- Round 2: inc around (12)
- Round 3: (sc, inc) x 6 (18)
- Rounds 4–11: Work color bands as seen—usually 2 white, 4 orange, 2 black, 4 orange, 2 white.
- Rounds 12–14: Begin decreases (2 sc, dec) x 6 (18), switch colors following band placement.
- Add safety eyes and embroider smile after colorwork, between bands.
- Round 15: (sc, dec) x 6 (12), stuff.
- Round 16: dec around (6), fasten off, close.
- Tail Fin (Orange edged with black, make 1): Ch 6, sc in next 2, hdc in next 2, dc in last, sl st around edge with black. Attach to back.
- Side Fins (Orange, make 2): Ch 4, hdc in 2nd ch, sc in next, sl st in last, whipstitch to each side below the eye area. Edge with black if desired.
- Dorsal Fin (Orange, make 1): Ch 5, hdc back, edge with black, sew to top of body.
Part 5: Starfish
- Main Shape (Yellow):
- Round 1: MR, 5 sc (5)
- Round 2: 2 sc in each (10)
- Round 3: (1 sc, inc) x 5 (15)
- Round 4: (2 sc, inc) x 5 (20)
- Form 5 points (arms, work as follows for each point):
- Ch 8, sl st in 2nd ch, sc, hdc in next 3, sc, sl st in last.
- Attach back to body, skip next 3 sts, repeat for all 5 points.
- Stuff lightly as you go. Sew to close any gaps between points.
- Face: Attach safety eyes and embroider smile on one point between arms.
Part 6: Shell and Coral
- Shell (Cream):
- Round 1: MR, 6 sc (6)
- Round 2: inc around (12)
- Round 3: (sc, inc) x 6 (18)
- Round 4: (2 sc, inc) x 6 (24)
- Round 5: Sc in BLO around (24)
- Round 6: (2 sc, dec) x 6 (18)
- Stuff lightly, flatten into shell shape, sew closed. Add embroidered lines to mimic shell ridges.
- Coral (Peach/Red/Pink):
- Ch 18, sc in next 3, hdc in next 3, ch 8, sc back along, continue, forming three branching points. Use image as visual guide. Minimal stuffing, if any.
Part 7: Seaweed and Beads
- Seaweed (Green): Ch 20, in 2nd ch from hook work (sl st, sc) in each stitch for a curly effect. Make 2-3 per strand.
- Beads (Multiple colors):
- Round 1: MR, 6 sc (6)
- Round 2: inc around (12)
- Rounds 3-4: sc around (12)
- Round 5: (dec, sc) x 4 (8)
- Stuff well, close hole, fasten off.
- Make 10–14 beads in coordinating colors to string between animals.
Part 8: Mobile Frame
- Wrap two wooden dowels or hoop with blue or green yarn, overlapping at the center and securing with glue or wrapping yarn tightly.
- Attach a central hanging loop to the cross point or top of the hoop for hanging.
Assembly and Finishing
- Thread motifs, beads, and decorative elements onto strong yarn in the following order: bead, seaweed, animal, bead, shell/coral, bead—repeat as desired, mimicking photo.
- Leave about 20cm (8 in) above the first element for tying onto the mobile frame.
- Sew all knots securely and slip knot around frame, adjusting lengths for even balance.
- Hang each strand from a different point on the dowels or hoop for a spinning effect and visual interest.
- Weave in all ends. Block lightly to straighten tentacles and seaweed, if needed, by wetting and pinning in place to dry.
- Double check all attachments, knots, and seams for baby safety and durability.
Customization Ideas
- Swap out sea creatures for your favorites: dolphins, jellyfish, seahorse, or crabs.
- Use pastels for a softer palette or bold primary colors for a vibrant look.
- Add or subtract hanging strands, or alternate shapes to fit your nursery decor.
- Make motifs separately to use as plushies, keychains, or bag charms.
- Turn a single motif into a rattle, teether, or ornament.
- Make a single animal and frame it in a hoop or applique it onto a pillow for a matching room set.
Troubleshooting Tips
- If motifs curl, add more stuffing, or block gently before assembly.
- Uneven edges? Be sure to count stitches and use a marker for round beginnings.
- Motifs too large/small: adjust hook or yarn size or add/remove round repeats.
- Color change looks loose? Always complete last yarn over of previous stitch with new color and pull tightly.
- Uneven tension: Take breaks and consciously relax hands. Consistent tension helps pieces hang neatly from the frame.
Care Instructions
- Spot clean only with mild soap and cool water. Gently blot and air dry flat.
- Do not bleach or machine wash—this helps preserve amigurumi shape and prevent stretching or yarn fraying.
- Avoid hanging in direct sunlight for long periods to keep colors bright.
Final Notes
Take your time to check stitch counts, shape animal features before final assembly, and keep tension tight for stuffing. Use the original photo as your artistic guide—each piece will be unique and full of personality. Have fun bringing your very own sea mobile to life!
