Learning Resources Pandemonium STEM Challenge.Specifically designed to engage children in science, technology, engineering and math's, this colourful challenge set enables primary learners to get hands-on with STEM learning! Children use the included challenge guide to create pendulum and launchers, building problem solving skills through hands-on designing and early engineering.Includes 17 pieces, a sheet of stickers for customization a and multilingual activity guide.Tallest piece (pendulum) measures 19.5cm H.Suitable for ages 5+