Walmart has the highly rated Programmable Meccano – Meccasaur for only $49.71! (Reg. $99) Plus, you’ll score FREE 2-day shipping with this purchase. This is recommended for kids 10 years and older. It is a fun T Rex that you can program to interact with you like a robot. If you have kids that love to use their imagination and hands, this is a great gift idea. Details include: