Product: Mega Bloks First Builders Deluxe Building Bag, 150 pieces [Amazon Exclusive]
Brand: Mega Bloks
Color: 3pack (Deluxe Bag)
150 classic-colored big building blocks, including new shapes
Storage bag for easy cleanup
Ideal for ages 1+, and endorsed by Fisher Price, First Builders toys are perfect for little hands, providing hands-on play to develop imagination and gross motor skills
Blocks are compatible with all Mega Bloks building toys for endless learning fun!​

Search query: open ended toys for 1 year old
Relevance: Exact