My family received K'NEX and Tinkertoy sets for our review. As always, the opinions expressed within the blog post are 100% honest and my own. The giveaway sponsor is responsible for prize fulfillment. This blog post may contain affiliate links. We recently built our first K-FORCE Build and Blast Mini Cross Building Set. This 82-piece set is recommended for ages 8+. Younger kids will probably need adult help to build their blaster. My ...