• Better together, bundle of 2 Mega Bloks building sets includes the Big Building Bag and ABC Musical Train that combine together
• Add to your little one’s favorite Big Building Bag and create bigger learning adventures with the ABC Musical Train
• Big Building Bag includes 80 big building blocks, designed to be durable, and a storage bag for easy cleanup
• ABC Musical Train includes 46 big building blocks and special pieces, designed to be durable, 3 rolling wheelbases and 1 smokestack piece with a built-in speaker
• Ideal for ages 1 , and endorsed by Fisher-Price, First Builders building sets are the perfect fit for little hands, designed to develop creativity and fine motor skills