This INGEAR EXPERIENCE LAB 400N construction set is a STEM construction toy that introduces children to Science & Technology. With it, they learn the most important scientific principles by building amazing machines. Educational and fun! The transparency of the capsules allows children to see and easily identify the capsules and observe the movements and therefore more easily understand the powers and energies that are needed.  Go ahead to discover the main mechanical and electrical principles while playing! Product Information: • Lab 400N • Ingear Experiment • Ages: 7+ • Measures: 47 x 40 x 30 cm  • Batteries not included Warning: This product contains small parts. Not suitable for children under 3 years - choking hazard.