F is for fun! Build 'n Learn ABC Spell! First Builders from Mega Bloks are the perfect tools for educational, imaginative play. With over 100 letters, these big, vibrant blocks support a child's language development, encouraging letter recognition and basic spelling skills. These blocks are compatible with all Mega Bloks First Builders sets and come in a new eco-friendly, PVC-free bag with strap for easy cleanup. Features: Over 100 letters on classic colored blocks; Sturdy, eco-friendly bag with strap for snappy storage and portability; Limitless opportunities to build and learn; Compatible with the award-winning classic Mega Bloks First Builders sets for continuing fun. Ages 12 Months +.