This Counter Display Unit (CDU) features 12 small science kits. There are 2 each of 6 different kits included in the CDU. Each science kit features multiple experiments, safe ingredients, real science equipment and instruction booklets, which include detailed step-by-step illustrations. The Small Science Kits are: Weird Slime Workshop, Fart Putty Workshop, Exploding Volcano Workshop, Perfume Blending Studio, Bath Bomb Creative Studio and Glowing Crystal Ring Studio. Use these clever Small Science Kits to help children understand STEM concepts while conducting their own entertaining experiments and creating real products to show off! For ages 8+. Size of assembled display: 20.75"L x 12.25"W x 8.75"H. Size of each Small Science Kit box: 8.5"H x 6.75"W x 2.75"D.