The STEM Manipulation Board is a multifunctional, mobile activity board designed for education and play for children. It consists of a sturdy wooden structure with perforated panels that allow for easy attachment of a variety of educational and handling elements. Product Features: - Free-standing design for maximum flexibility - the board can be moved and positioned anywhere - Space to freely create patterns, ball tracks, rack and pinion systems and other structures - Double-sided design allows for group play - Mobile stand on wheels makes it easy to move the board - Compatible with all STEM board accessories: gears, wheels, pulleys, screws, pins, and more The board expands: - Social skills - Creativity - Imagination - Fine motor skills Whiteboard compatible items (purchased separately): - Colorful ME12746 ME14450 ME21113 ME21137 ME21120 ME21144 pegs - Colorful ME13989 crystals - Colourful cords to connect to the ME14467 pegs - Coloured screws ME20963 ME29911 - Building blocks ME29027 ME29010 ME29089 - Geometric figures ME14696 ME14702 ME14818 ME14825 ME31181 - Gears and chains ME13460 ME24343 ME31204 - Ball and water tracks ME14788 ME14870 ME14665 ME15143 ME25043 - Set with pump for building ME13149 piping systems - Set with Letters and Numbers ME30412 ME30429 - Containers and accessories ME12845 ME16560 ME14672