By pulling the cable, you will release the light padlock; Two-color balls in 5 stages. Playfully promotes numerical understanding and facilitates access to numerical space up to 20 and abstract mathematics. Made of RE plastic: sustainable and 100% recycled, it meets the DIN EN71-3 standard. Our company has more than a 40 years long commitment in the education and training of children. Made in Germany in accompliance with all European regulations.