Ever wonder how your heart works? 🤔🫀 ❤️What you need: 3 cups or jars 2 balloons 2 clear straws 1 bendy straw Water Red food coloring Scissors Tape ❤️How to make a pumping heart: Fill one of the cups about ¾ full with water and add 5 drops of red food coloring. Cut the neck off of two balloons. Then, tape the cut end of each balloon neck closed. Cut a very small slit (big enough to insert a straw) in the neck of each balloon about ½ inch below where you taped. Then, insert a clear straw into the slit of one balloon. Set the other balloon neck aside. Cut the bendy straw so that there is about 1 ½ inches of straw on either side of the bend. Then, cut the other clear straw in half. Tape the bendy straw in between the two half-length straws. Cut two small slits directly across from one another near the top of one of the balloon tops. Insert the long straw and the bendy straw into the two slits. Insert the bendy straw underneath the balloon into the slit of the balloon neck you set asid...