Traffic Sign Set by PlanToysSet of traffic signs by PlanToys. Set of 14 toy road signs and traffic lights. Great on a road play mat or rug, or on their own with cars and imagination. 2. 5cm x 2. 5cm x 6cm each. Made from natural rubber wood trees that no longer produce latex. To keep the wood pure, no fertilizer is added to the soil three years prior to cut the trees down. To strengthen the wood, PlanToys uses a chemical free kiln drying process. All PlanToys are made using