Any slime making enthusiast will love this Homemade Slime Making Kit! Make a slime kit for birthday gifts, Christmas gifts, ...

The $29.99 all-metal desktop Stirling engine kit is one of the simplest. It can be assembled in 15 minutes and is recommended for ages 14 and up. Also for $29.99 is the Exploring Kid Steam Engine Kit.

The Reese’s Deconstructed Peanut Butter Cup Kit is available now for $29.99 USD on the Hershey’s webstore until limited ...