Chalkboard Slime




About: Kids Invent Stuff is the YouTube channel where 5-11 year olds have the chance to get their invention ideas built by real engineers. We do this to get more primary school kids interested in engineering. Kids...

Intro: Chalkboard Slime

Here's how to make your own chalkboard slime. It's an invention you can use to play with chemical reactions and to write fun messages.

Collect the following tools:

  • Bowl
  • GLoves
  • Measuring jug
  • Tablespoon
  • Teaspoon

You will need these ingredients:

  • PVA Glue
  • Saline solution with boric acid or sodium borate
  • Bicarbonate of soda
  • Non toxic and non flammable chalkboard/blackboard paint

Step 1: Measure 100ml of PVA Glue and Pour Into a Bowl.

Step 2: Measure 100ml of Cold Water and Mix It With the PVA Glue.

Step 3: Measure 2 Tablespoons of Chalkboard Paint and Mix With the Glue and Water.

Step 4: Add 1/2 a Teaspoon of Bicarbonate of Soda to the Mixture.

Step 5: Measure and Mix 2 Tablespoons of Saline Solution With Your Other Ingredients.

Step 6: Continue Stirring the Mixture Until It Starts to Thicken and Pull Away From the Bowl.

Step 7: Knead Your Slime. the Ingredients Need Time to React!

Step 8: Use Your Chalk Markers to Decorate and Play!



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