Kids can crack the spy code by finding missing numbers, find quantities for chocolate crispy ingredients by working out ratios, create unique artwork with tessellation, and more math problems. Includes challenges, activities, contemporary graphics, step-by-step instructions, and more.

Kids will build a model atom with marshmallows, create a rainbow, and construct a volcano! This book includes compelling challenges, activities, and do-at-home experiments; contemporary, "this isn't your boring school book" illustrations and graphics; step-by-step instructions; and more.