This product includes STEM Packs 1,2,3 to give you a total of 60 Challenges.
There are 60 lesson plans accompanied with 70 worksheets. Total 130 pages
I have bundled these Packs together to give you a discount should you want all three products. The full descriptions can be found at the following links.
20 STEM ACTIVITIES PACK 120 STEM ACTIVITIES PACK 220 STEM ACTIVITIES PACK 3Teaching Trove Tech Teacher Pto3 Top Teaching Tasks