If you are looking for straight up LEGO clones, the best tend to be: MegaBloks - LEGO-compatible, high quality control. read more
There are some so-called LEGO clones such as Kre-O, MegaBloks, etc. They are similar shapes and sizes (and in fact, usually compatible with LEGO), but they may not always be perfect snug fits. There are other construction-style toys that have high play value and creative elements, which can be good alternatives for kids that like open-ended building: such as OgoBild, K'NEX, PlayMobil, and many others. read more
Why structured block play is a good bet for cognitive development © 2013-2017 Gwen Dewar, Ph.D., all rights reserved. Construction toys -- like wooden blocks, Lego bricks®, and Mega Bloks® -- present kids with exciting opportunities to tinker and create. This play is beneficial for development. read more