• Learn and have fun with Dienes decimal series in RE-Wood material. • Includes: 100 cubes, 10 tens, 10 hundreds, and 1 thousand cubes, each with dimensions of 1 cm³. • Made from 100% recyclable wood, certified with the PEFC seal and free of harmful substances. • Complies with the DIN EN71-3 toy safety standard. • Made in Germany, complying with all European regulations. • Ideal for introducing children to the world of numbers in a fun way. • Facilitates understanding of the decimal system and basic arithmetic operations up to 1000. • Product dimensions: 28 cm long, 11 cm wide, and 11 cm high. • Product weight: 1.411 kg.