Specifically designed to engage children in science, technology, engineering and maths, primary learners can get hands-on with STEM learning with this colourful Sink or Float Activity Set; Children can explore early physics by bringing investigations to life, recording data as they go in order to find an optimum solution. Set focuses on a variety of key science concepts including buoyancy and density. Eye-catching set includes two piece floating raft, weighted balls & stars and 10 activity cards and activity guide with reproducible materials. An early introduction to stem. Develops key science concepts. Ideal solo or small group activity. Includes 10 activity cards. Size H7.6, W35.1, D25.9cm. Weight 1000g. For ages 5 years and over. WARNING(S): Not suitable for children under 3 years old. Only for domestic use. Only to be used in water where the child is within its depth and under adult supervision.