Trust Thames and Kosmos! Stepping into Science is an incredibly thorough kid-friendly introduction to science that teaches the fundamentals and the process. 25 thoughtful experiments walk kids through 5 key areas: biology, chemistry, physics, water, and air. The kit's chockfull of everyday objects and science stuff, but what's most impressive is the 48-page full-color guidebook that provides step-by-step instructions with pictures and simple text. For ages 5-8 years.