Enhance your K'nex collection with this set of 3 large blue square panels. These panels, measuring 5-1/2 inches in width, are compatible with the K'nex standard replacement parts and are perfect for building your own roller coaster or other thrill ride creations. Crafted from durable plastic material, these panels are designed for children aged 7 and up and come in a polybag packaging.The panels are part of the Thrill Rides product line from K'nex and are a great addition to any building toy collection. With features like bulk/lot packaging and a product line dedicated to education, these panels offer endless possibilities for imaginative play and hands-on learning. Made in China, they are a must-have for any K'nex enthusiast.