The Yellow Door Sum Building Pack supports early maths skills through hands-on exploration, making it ideal for nurseries and primary classrooms. Designed to encourage active learning, these tactile pebbles help children build confidence in addition, subtraction, and number recognition.

• Includes 50 pebbles: 2 each of numbers 0–20, 2 each of +, –, =, and 1 each of × and ÷
• Made from a durable, tactile material suitable for indoor and outdoor use
• Supports learning and practising addition and subtraction up to 20, including zero
• Suitable for children aged 2 years and above
• Easy to clean and store