Stack up hours of creative, Earth-friendly fun! The moment little ones set their sites on these eighteen vibrant, bulky blocks, the construction fun never stops. Build towers, castles, homes, palaces, sculptures, or anything else your little architect can imagine. Two, four, and eight-peg blocks create solid, versatile structures while archways and slant-blocks add the perfect touch of architectural styling. The possibilities are endless! Meanwhile, every block is made ENTIRELY of 100% recycled plastic milk jugs - They aren't just safe for kids, they're safe for the planet, too! Over-sized, lightweight, and amazingly safe, the Green Toys Block set is a creative construction adventure kids love and parents can trust. Green Toys Block Set Set of extra large interlocking building blocks Encourages fine motor skills, planning, visual-spatial skills, creativity Endless structural designs come to life easily! Blocks coloured light blue, yellow, green, orange 5 types of blocks - 2-peg, 4-peg, 8-peg, archway, slant Blocks are extra large and bulky - Easy for little hands to grab Pegs hold blocks into place securely without sticking too strong Includes 4 2-peg blocks, 8 4-peg blocks, 2 8-peg blocks, 2 archways, 2 slants Made entirely of 100% recycled plastic milk jugs - Eco-friendly Amazingly durable - Pretend to be a monster and knock them down! 4-peg blocks measure 2.25 x 7cm x 7cm BPA, PVC, and Phthalate Free - Extra safe for baby! Made in the U.S.A.