This is created to be used with the Littlebits STEAM classroom sets. There are 3 different cards (printable or can be used digitally) with 16 challenges each. Level 1 has intro challenges designed to teach students the function of the different little bits in the STEAM class kit and their functions. It is fairly directed and straightforward in how each circuit is created. Level 2 has more open-ended challenges to create basic circuits but may be able to be solved and created in multiple differ