Shapes with bubbles and balloons
Are you often asked how to engage children to become enthusiastic young mathematicians? Use soap bubbles and balloons! I will endeavour to post lots of ideas up here to help with the mission.
For now, you have:
Bubble shapes, which can be made with straws
Giant Balloon Shapes
Using Guinness World Records attempts - VERY effective for 7 to 12 year old young mathematicians