End of the Year STEM engineering and science activities. These STEM activities explore force and motion, buoyancy, and math concepts like the volume of a sphere. Use on field day, for an end of year STEM celebration, or a school wide competition. These are all great challenges to do outside on a nice day. This bundle includes: Egg Drop STEMBubble Maker STEMFloat a Boat STEMWhat You'll GetEGG DROP CHALLENGEWill the eggs break or survive the drop in a device created by your students? ✏️ What mat