Train young brains to think in multiple dimensions with this interactive STEM tool! Brain Builder combines 20 wooden planks with a set of stimulating puzzle cards. Perfect for even the youngest of builders------ each card features a fun, recognizable 2-D object and the goal is to recreate the pattern into a 3-D Structure. The picture cards are numbered in order of difficulty-----ranging from beginner to expert. Manipulate the wooden planks to successfully duplicate the balance, proportion, composition and geometry featured on each card. With each build becoming more challenging, patience and confidence is gained through trial and error. From beginner level to expert level, you will be amazed what your barin will build! Don't stop there! After mastering the 30 patterns, use your imagination to create your own design or tackle the original Brain Builder!