A splash of color in an ever-changing world! These unique water building blocks teach children about the diversity of water, while still allowing them to enjoy the experience of color and movement. This 8-piece set includes four squares and four half circles. The Four colors include - red, yellow, green and blue. They are compatible with all Plan Toys or Brio block sets. Availability: Usually ships in 2-3 business days. 395523 FREE GROUND SHIPPING ON ALL ORDERS OVER $75.00. Please entry FREESHIPPING in the coupon box on the second page of the checkout. Offer valid for the 48 contiguous states. Certain oversize and drop ship items are excluded.