Curious young minds solve the secrets of shapes as they use the included 24 x 3D shape pieces to complete the challenges shown on the STEM challenge cards that come with STEM Explorers Brainometry set. The challenges on the 10 double-sided challenge cards put your childs critical thinking, spatial reasoning and problem solving skills to the test while also building colour recognition and fine motor skills. This hands-on learning set is ideal for use in a classroom, at a STEM club or at home.