Wind the plastic tube through the Large Wall Peg Boards to create a ball run. The tray at the end of the Large Peg Board catches the ball. Discs of different colors and sizes can also be attached to the board, which teaches about shape consistency and helps to develop motor skills and coordination. Ballruns are a fascinating way for children to have fun building and experimenting. The Ball Run Peg Board is easy to assemble at any time to create new challenges, and helps children learn about the laws of physics through play. Made of thick birch wood. Pegs made from solid beech wood. 31H x 40W x 5D. 40 Pegs & Lined Tray. Ten year warranty Made in Germany. Ball/Marble Run Components (Sold Separately): 120256- Plastic Tube 208314- 6 Straight Connectors 208097- 3 Y-Shaped Connectors 208401- Small Peg Board 208403- Large Peg Board 120264- Wooden Balls Mix 6-Piece Set (colored) – 2″ *** HABA is custom produced, no cancelationsor modifications allowed.Lead time is 12-14 weeks.