This bright and tactile MathLink Cubes set brings the beloved Numberblocks Express episode to life. Kids aged 36 build characters One to Five using 21 colorful cubes and attach them to a train craftable from 30 pieces. Five cargo blocks and double-sided activity cards introduce ten math challengescounting, addition, subtractionreinforcing early numeracy skills in a handson way. With a sticker sheet, stand, and guide included, the set supports independent or guided discovery. Durable and engaging, it combines imaginative storytelling with STEM learning, building fine motor skills, number sense, and creative play in an interactive, playful package.