Find a unique box for this Kid Kit. Write directions directly on the box. Make one for building a tower, one for building a bridge, one for building a robot, etc. Fill the box with cardboard, index cards, playing cards, interesting paper or card stock. Try to gather various packing materials and add them to the boxes. Once students have successfully figured out how to solve the challenge, alter the materials in the box, cutting the cardboard in half or into triangles, or the cards in strips, or into circles, etc.