Creating your very own slippery quicksand using cornstarch and oil is not only a fun craft project but also a captivating scientific experiment. This unique mixture offers a memorable sensory experience, blending the solid and liquid states in a way that will amaze both kids and adults. This project serves as an excellent introduction to concepts like viscosity and non-Newtonian fluids, making it a perfect addition to STEM learning activities. Plus, you can easily customize the experience with different colors or textures to enhance the visual appeal. So, gather your materials and get ready to dive into a world of gooey fun!
Why You’ll Love This Cornstarch and Oil Slippery Quicksand:
- Easy to Make: Requires just a few simple ingredients.
- Sensory Play: Provides a unique tactile experience for kids and adults alike.
- STEM Learning: Great way to explore scientific concepts in a fun way.
- Customizable: Add colors, scents, or even glitter for extra flair.
- Mess-Free Option: Unlike traditional sand, this can easily be cleaned up.
- Non-Toxic: Safe for children, making it an excellent activity for schools and homes.
Materials
- 1 cup of cornstarch
- 1/2 cup of oil (vegetable or baby oil works best)
- Mixing bowl
- Spoon or spatula
- Optional: food coloring, glitter, or essential oils for scent
Full Step-by-Step
Prepare Your Workspace
- Choose a flat surface: Lay down newspaper or a plastic tablecloth to catch any drips.
- Gather materials: Ensure all your ingredients are within reach.
Mix the Ingredients
- Combine cornstarch and oil: In a mixing bowl, pour 1 cup of cornstarch.
- Add oil: Gradually add 1/2 cup of oil, mixing as you go. Start with a spoon or spatula.
- Knead the mixture: Use your hands to knead the mixture together for a few minutes. It should feel both dry and wet at the same time.
Customize Your Quicksand
- Add color or scent (optional): If desired, add a few drops of food coloring or essential oils to the mix and knead until fully incorporated.
- Test the texture: Your mixture should flow and ooze when poured but feel solid when squeezed. Adjust with more cornstarch or oil if needed.
Enjoy the Experience
- Playtime: Use your hands to explore the quicksand. Squeeze, poke, and watch it flow for endless fun!
- Storage: When done playing, store the quicksand in an airtight container to keep it fresh.
Tips & Variations
- Texture: For a more textured version, consider adding sand or small beads.
- Color: Experiment with various food coloring combinations for a rainbow effect.
- Scents: Try different scents—lavender for relaxation or citrus for energy.
- Thicker Slime: Add more cornstarch if you prefer a thicker consistency.
Frequently Asked Questions
Q1: Can I use other oils besides vegetable oil?
A: Yes! Baby oil or coconut oil are great alternatives.
Q2: What happens if the mixture is too runny?
A: If the quicksand is too runny, slowly add more cornstarch until you achieve the desired consistency.
Q3: How do I clean up if things get messy?
A: The mixture can be wiped up with a damp cloth. For tougher spots, a little warm water usually does the trick.
Q4: Is this safe for young children?
A: Yes, this craft is non-toxic; however, always supervise young children to prevent ingestion.
Suggestions
- Create a mini quicksand science show to explain how non-Newtonian fluids work.
- Host a "quicksand crafting day" with family or friends to experiment with different colors and textures.
- Combine with a literature theme by reading a book about sand or the desert while playing with your quicksand.
Final Thoughts
This cornstarch and oil slippery quicksand is not only a delightful sensory experience but also an opportunity for learning and creativity. We encourage you to share your own versions or any variations you tried in the comments! Happy crafting!

Slippery Quicksand
Ingredients
Main Ingredients
- 1 cup cornstarch Standard cornstarch
- 1/2 cup vegetable or baby oil Use baby oil for a softer texture
Optional Ingredients
- to taste food coloring Add a few drops for color
- to taste glitter For extra visual appeal
- to taste essential oils For scent
Instructions
Preparation
- Choose a flat surface and lay down newspaper or a plastic tablecloth to catch any drips.
- Gather all the materials ensuring they are within reach.
Mixing the Ingredients
- In a mixing bowl, pour in 1 cup of cornstarch.
- Gradually add 1/2 cup of oil, mixing as you go with a spoon or spatula.
- Use your hands to knead the mixture for a few minutes until it feels both dry and wet.
Customizing Your Quicksand
- If desired, add a few drops of food coloring or essential oils and knead until incorporated.
- Test the texture; it should ooze when poured but feel solid when squeezed.
- Adjust with additional cornstarch or oil if needed for desired consistency.
Enjoy the Experience
- Use your hands to explore the quicksand by squeezing, poking, and watching it flow.
- Store any leftover quicksand in an airtight container.