Monster Truck with Bouncy Ball Tires

MAKE IT BIG, make it small

Jenny and Lucas find out all about Monster Trucks. And then they bound back to the craft space to make a cool bouncing monster truck.



  • 1/2 cup of warm water
  • 1 tsp of borax
  • 1 tsp of cornstarch
  • 1tbsp of clear glue (clear Elmers glue works best)
  • Craft sticks
  • Balloons
  • Styrofoam
  • Exacto knife
  • Model paint
  • Glue
  • Skewers
  • Paint brushes
  • Sand paper
  • Needlenose pliers

How to make it

Step 1: Mix these ingredients together in a small cup until dissolved to create a solution: warm water, borax, cornstarch

Step 2: Pour glue into tablespoon. Drop spoon and glue into the water solution or squeeze glue directly into the solution

Step 3: Let sit for 30 seconds or so and then lift the spoon out of the water allowing the glue to drop back into the liquid. Use a craft stick to scrape off anything left in the spoon

Step 4: Using your hands, reach into the water and remove the glue glob.  Pass it back and forth between your hands several times without squeezing and then put it back into the solution. Repeat several times, starting to squeeze the glue a little more each time. Use paper towels to dry your hands while handling and begin to roll into a ball.  When it becomes sticky, put back into the solution. Keep repeating until the ball becomes firmer.

Step 5: You can try bouncing the ball after a while but be gentle as it may break apart if you bounce it too hard.  It will still be slightly wet for a few hours during which you can gently roll it and bounce it.  The glue balls are best stored in a container overnight.  They will completely flatten out so keep the ball in a spherical teaspoon to help maintain its shape.

Step 6: Wrap a black ballon over the glue balls to help them keep their shape- and to make them look like tires!

Step 7: For the rest of the truck: Cut styrofoam into 38 inch by 5 inch rectangles

Step 8: Glue together and let them dry for 24hrs

Step 9: Trace monster truck frame onto styrofoam

Step 10: Start using exacto knife to shape the truck

Step 11: Paint and decorate

Step 12: Run skewer through Styrofoam in wheelwell and the bouncy ball tires!


MAKE IT BIG, make it small

From exploring the monstrous Tyranosaurus Rex to flying inside a wind tunnel, MAKE IT BIG make it small explores big experiences that make kids go wow! By explaining epic science and technology, kids are inspired to apply new knowledge to their own DIY projects and crafts they create at home.
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