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We challenged 1st grade students to plan bridges to a set of criteria (so many cubes high, by so many cubes long, etc.) and then gave them the opportunity to use Blockify on the ipad to generate printable bridges. They learned about support and over hangs and made some pretty cool stuff.

Another class of 3rd graders was given some resource parameters, some instruction about overhangs and then given a chance to build castles in blockify. They had to design their castle first, explain how it was defensible and what defensible features they were going to add. Then they had to build a castle using a maximum number of blocks.

We didn't do much with the maximum number of blocks, but you could potentially tie this to a math lesson about budgeting and resources. Maybe something like Settlers of Catan trading where you have to figure out what resources you need to keep your peasants alive while also building your fortifications...