Once Kids Education is a full line of products that are designed for Educators, Home Schoolers, etc in mind. The Eco-bricks™ Bamboo set consists of natural, anti-microbial bamboo construction blocks ideal for a classroom setting! The non-toxic, anti-microbial properties of bamboo allow for it to stay germ-free. Natural and biodegradable bamboo construction blocks come with adhesive felt shapes that add an additional layer for sensory development and customization. These removable felt-shaped stickers are spun from recycled plastic bottles, therefore, sustainable, too! Recommended age: 4+ 180 pieces The Eco-bricks™ Bamboo Education 180 pcs set includes: 60 - 4 Dot blocks 104 - 8 Dot blocks 8 - 16 Dot blocks 8 - 16 Dot Axels Removable felt shaped stickers Use Eco-bricks™ Bamboo construction blocks as an introductory lesson into Sustainability for the classroom! To further inspire little ones in their cognitive development, we developed lessons to compliment the Eco-bricks™ Bamboo Education set where kids will learn how to build tree build sets and learn about the importance of keeping our Earth safe: Find the Lesson Plan here! Features: Made from precision-carved natural bamboo and recycled plastic bottles spun felt-shaped stickers Compatible with plastic blocks Encourages fine motor skills and environmental awareness Assorted style blocks for endless design configurations High-quality design for lasting durability WARNING: CHOKING HAZARD - Small parts. Not intended for children under 3 years.Our mission at Once-Kids is to make toys that kids make their own while helping save our world's oceans.