I created 41 STEM activity cards using DUPLO blocks. These incorporate engineering with building, technology using magnifying glasses, science using water, and math using pattern cards and counting.*4 Engineering mats*7 magnifying (technology) glasses mats*6 pages of brick patterns*2 counting brick mats*7 measuring task cards*4 weighing task cards*12 engineering task cards*4 sink or float cards*2 flashlight (technology) activity cards****When printing click the "FIT" option in the .pdf print wi