Challenge critical thinking, strategy, and fine-motor skills with the KEVA® Brain Builders Deluxe STEM activity. Builders will use the included technical drawing puzzle cards to examine the structures in a two-dimensional view, then problem-solving and basic engineering skills to bring the structure to the three-dimensional front. This expanded edition of the classic KEVA Brain Builders includes more KEVA planks and design cards than ever before, as well as new inspirational cards with building tips that encourage children to think outside the box with a custom design. Cards are available in beginner, intermediate, as well as expert and master levels. Includes 75 KEVA planks, 40 puzzle cards, and 8 design cards.