1This is 1 set of rock climbing holds, colorful, unique shape, no burr, not hurt your hands. 2Rock climbing builds early agility, endurance, strength, balance, flexibility, coordination, and confidence, while increasing children's self-confidence. 310 PCS rock climbing with accessories, easy to install by yourself. 4Heavy duty climbing holds, durable for long term use. 5With these rock hold attachments, you children will love playing outside, and become healthy and outgoing.