πποΈ Sea Urchin Coloring Page β Two Spiky Friends β Free Printable ποΈπ
Long and short spikes create a lively outline around these two friendly characters. This free sea urchin coloring page features a large smiling urchin and a smaller companion above a simple seabed. A scallop shell, stone, and bubbles soften the scene around the pointed shapes.

π Large and small smiling cartoon sea urchins with pointed spikes above a scallop shell, stone and ocean floor.
π Try a deep purple body with lighter lavender spikes, or choose teal with blue-green tips.
π 1 free PDF, US Letter: 8.5 Γ 11 inches
π Rounded printable border and MadisonColors.com footer
π Instant downloadβno email required
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π About This Sea Urchin Design
The larger urchin sits low in the frame, with its small companion floating higher in the open water. Separate outlines around the bodies make the spikes easy to follow. The cartoon faces and parent-and-baby arrangement are imaginative touches, not a scientific diagram of sea-urchin behavior. The picture is about experimenting with texture and shape through color.
π¨ Color Ideas for Sea Urchin
Try a deep purple body with lighter lavender spikes, or choose teal with blue-green tips. A smaller urchin in a softer shade can make the pair feel coordinated. Use a light pencil touch around the narrow points so the outlines stay readable. Warm peach on the shell and beige on the stone will balance the cooler animal colors.
π‘ Make It Your Own
Compare the pointed spikes with the rounded bubbles before coloring. Children can choose a repeating two-color sequence for the longer spike shapes, then use a simpler version on the smaller character. For an art display, draw a separate label with a spiky border. Keep the story playful and give the two imaginary sea friends names.
π₯ Print Your Sea Urchin PDF
Open the matching sea urchin coloring page PDF using Download Now above. Choose US Letter paper (8.5 Γ 11 inches) and portrait orientation. Start with actual size or 100%, then check the print preview. If the rounded border is clipped, select Fit to printable area. Print a single test copy before preparing a classroom set.
The PNG preview and PDF show the same design. Crayons suit the open shapes, while colored pencils help with the smaller details. Protect the table with spare paper when using markers. This original Madison Colors printable is free for personal, classroom, library, childcare, and homeschool coloring activities.