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Be my Valen-slimes with gooey heart theme slime! Valentine’s Day isn’t just for the adults! Around here, we love to celebrate holidays and seasons with our homemade slime recipes. For Valentine’s Day why not whip up a batch of Valentine Slime! Add our FREE printable slime labels, and you have a perfect make-and-take Valentine for kids.

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Valentine’s Day Play with Slime

The recipe for this Valentine slime uses one of our most basic slime recipes: clear glue or white glue, water, baking soda, and saline solution.

Now, if you don’t want to use saline solution, you can test out one of our other basic recipes using liquid starch or borax powder. We have tested all three recipes with equal success!

We added food coloring, glitter, and confetti hearts for a cute heart slime for Valentine’s Day. However, there are so many variations to try!

Why not come up with your own favorite Valentine slime:

  • Try adding a cup of foam beads to the recipe for a floam slime. Make a batch in green and a batch in red. Use heart-shaped cookie cutters to make floam hearts.
  • Try kneading in an ounce or two of soft clay after your slime is made for a butter slime. Make a batch in red and pink!
  • Make it fluffy! Swirl fluffy slime in theme colors.
  • Add all sorts of theme confetti and colored glitter.

Printable Valentine Slime Project Pack

  • Easy to follow essential slime recipes for fluffy slime, borax slime, liquid starch slime, and saline solution slime.
  • Fun Valentine-themed slime recipes and printable labels for parties!
  • Combine slime and math with easy-to-use printable sheets.
  • Find fun ways to experiment with slime science, including science information and key vocabulary.
  • Cool, slimy theme activities perfect for centers, early finishers, or classroom party time!

Valentine Slime Recipe

Playing with slime can get messy; make sure to check out our best tips for how to remove slime from clothes.

Note: One batch of homemade slime will fill 4-5 condiment-size cups. Perfect for slime Valentine favors.

Supplies:

  • 1/2 cup of Clear Glue per slime batch
  • 1/2 tsp baking soda per slime batch
  • Food Coloring, Glitter, Confetti Hearts
  • 1 tbsp of Saline Solution per slime batch

FREE Valen-Slimes Labels Here!

How To Make Valentine Slime

STEP 1: Add 1/2 cup of clear Glue to your bowl and mix with 1/2 cup of water.

Mix glue and water together for Valentines Day slimePin

STEP 2: Add red food coloring, glitter, and red confetti hearts as desired.

Add confetti hearts to Valentines slime recipePin

STEP 3: Stir in 1/2 tsp baking soda.

Adding baking soda to saline solution slime recipe for firmnessPin

STEP 4: Mix in 1 tbsp saline solution and stir until slime forms and pulls away from sides of the bowl. This is exactly how much you will need with the Target Sensitive Eyes brand, but other brands may differ slightly!

If your slime still feels too sticky, you may need a few more drops of saline solution. As I mentioned above, start by squirting a few drops of the solution onto your hands and kneading your slime longer. You can always add but you can’t take away.

NOTE: We have found that the Elmer’s specialty (glitter, color, glow) glues tend to be a bit stickier than their regular glue, and we prefer our 2 ingredient slime recipe for this glue.

Add saline solution to slime to form slimy substancePin

STEP 5. Add some Valentine slime to small containers. Finish by adding our printable Valentine label to each Valentine.

Valen-slimes gift to make for kids with free slime labelsPin

Make Valentine Slime For Kids

Find more ideas for setting up Valentine slime and sensory play activities this month.

51 Comments

  1. Hi there! I would love to make this with my son’s kindergarten class…there are 21 kids….How many bottles of each material would I need for them each to take a sandwich bag with some slime home? THANKS

  2. Hi! You could probably get away with 7 bottles of glue and have each child take home a 1/3 of a batch. !/2 might be better so 11 bottles. 2 bottles of liquid starch would be fine and you might not even need to open the 2nd.

  3. Just wondering, I made your snow slime, and for some reason it was very thick- not stretchy at all. Could it be because we didn’t use Elmer’s Glue? It’s pretty hard to find where we live (overseas). I did follow the instructions about mixing it.

  4. At daycare we used glue by the gallon, it’s cheaper in the long run if you have access to this, when making large amts.

  5. Grocery store laundry aisle for us or look for my link to Amazon at the end of the article!

  6. Yes it is probably due to the different glue! You might try using less glue or a bit more starch. Thick is good though!

  7. Just be very careful not to let them get any in their hair it is very difficult to get out of hair with only access to a bathroom sick at school. Take it from me not once but twice two diffent occasions.

  8. Hi. The slime looks great. Just wondering if its safe for toddlers who tend to put everything in their mouths? Are all liquid starch the same or some safer? Thanks

  9. I’m going to make this in my daughter’s 5th grade class for Valentine’s day. How much glitter or confetti did you put in each batch? I don’t need a full bottle of glitter for each batch do it? I think they will love this!

  10. I followed the recipe and mixing instructions but mine didnt quite turn out. Its thick, you said thick is good put you can stretch or pull it at all it just rips. and it leaks a lot. ive had to put a plate underneath my child when she plays to catch all the drainage and it fills up and needs to be emptied out after just 5min of play. also, i used small heart shaped beads in mine for valentines day but they dont stick to the slime they just all out when they surface. any suggestions on what i did wrong or what to try differently next time would be great. I love this idea and my kids do too! thanks

  11. We tried a test run last night and it worked perfectly- my question is where you found your condiment cups – I want to do this with my sons preschool class and prevalent samples to have them go home with on Valentine’s Day – yours look like a sturdier seal than what I am finding.

  12. Do we need clear and white glue? I am making this for my sons class and i just wanted to be sure. Also, i cant seem to find the actual recipe, just a list of ingredients. Do you just mix it all and voila?

  13. You can use either. The colors of the slime will be different. You can get a nice pink slime using white glue and a brilliant red slime using clear glue!

  14. Tried this over the past weekend and it worked perfectly, I plan to do it with my sons preschool class on Valentines Day, but I would like to know where you got the condiment cups and what size they where?

  15. I’m an infant/toddler teacher and really think the kids will love this, but my kids range from 12 months-22 months, would this still be safe for them? Obviously they are going to put it in there mouths for a couple seconds, but they’ll be supervised. But, it’s not toxic or harmful?

  16. I wanted to stop by and thank you for all your helpful insight about slime. My son had an aversion to squishy slimy ‘stuff’ . He visited several of your slime related post and loved the pictures so much that they helped him conquer his aversion. He was missing all the fun. Now he likes playing with the slime. I wrote about our experience and shared your links. Thank you so much for helping out mommies like me!!
    http://theafterschoolhouse.com/2017/02/12/dollar-store-valentines-day-slime/

  17. NO this is not appropriate for kids in that age range. We do have taste safe slime recipes you can check out though. You may be better off with play doughs for a couple more years.

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  32. I do onto believe that you can. Do you have saline solution? The ingredients you want to check for are boric acid and sodium borate. We have a fun recipe using saline solution!

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