SmartMax Start XL – SMX 501US
- STEM LEARNING FUN: SmartMax Start XL features colorful oversoze bars and metal balls for a super fun introduction to STEM concepts for young kids.
- ENDLESS PLAY: All SmartMax sets are compatible with each other. Kids can start building…and keep building.
- QUALITY AND SAFETY: Award-winning SmartMax Magnetic Discovery sets are build with high quality materials, including sonically welded bars.