Grow a Heart -Anatomy Model Polymer Heart Science Kit 8yr They are dishwasher safe and

They are dishwasher safe and reusable for party after party

Contains 3 sheets of punch-out parts

Removable with soapy water

a metal puzzle and a wooden puzzle

Not only will they look amazing on your party table

Grow a Heart -Anatomy Model Polymer Heart Science Kit 8yr They are dishwasher safe andThe heart is the hardest working organ and now it will work hard in your store. Customers will fall for the great packaging and details. This science kit starts out as a great looking detailed small heart anatomy model. When placed in water over the course of days it demonstrates the super water absorbing properties of polymers as it becomes a big heart. Just place the heart in water and it will grow many times larger. All in a heart stopping 5. 25x2.