• Develop design and planning skills to create unlimited runs of various lengths either as open or closed circuits.
• Simple to assemble and when complete the final test is to see if the ball can run freely through the construction.
C5451 - Tubi Construction - 60 pieces
C5450 - Tubi Construction - 120 pieces
C5479 - Jumbo - Set - 270 - including Tubi and Michi
Suitable Age: 3+ Years
Product Dimensions: Tube 5.5cms