This kit has been specifically designed to engage and inspire primary children in science, technology, engineering and maths lessons to develop enthusiasm from a young age. Colourful set engages primary learners in the understanding of key physics concepts including buoyancy, gravity and density. Children conduct hands-on investigations and record data to find the optimum situation for each activity. Explore the wet and wild world of physical science. Stem = science, technology, engineering and maths. Ages 6 to 10 years old. Ideal solo or a small group activity. Good introduction to problem solving. Size H35, W25, D7cm. Weight 0.9kg. No. For ages 6 years and over. 2 year manufacturers guarantee. WARNING(S): Not suitable for children under 3 years old. Only for domestic use. To be used under the direct supervision of an adult. Only to be used in water where the child is within its depth and under adult supervision. This toy does not provide protection.