3 years & up. Inspire young children to explore and learn about the world around them through experimentation, observation, and play. This Science Laboratory Kit by Thames & Kosmos comes with everything your little ones need to experiment freely and learn about science and the way the world works. Encourages creativity and fosters natural curiosity with unique laboratory tools and fun STEM related activities. Storage case measures 14.7" x 6.3" x 9.4" and manual measures 5.5" x 8.25". Includes: 16-Page full color manual with easy-to-follow instructions, 10 Illustrated experiment cards, 24 Large, reusable, plastic scientific tools: 14-Piece screw-together system with tubes, funnels, lids, connectors and perforated disks, Large and small measuring spoons, A test tube rack, Pipette and a hand magnifier, Magnetic rings and stand set.