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 your 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. Watch your little one grow with Build 'n Learn ABC Spell! First Builders by Mega Bloks. Ideal for ages one to five. The Mega Bloks First Builders Build and Learn - ABC Spell features: Over 100 letters on classic colored blocksSturdy, 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!