Ding! Ding! Jab, dodge, uppercut! Put your mitts together for Kangaroo-Bot and Robo-Boxer! These boxing robots use hydraulic power to move like real boxers. 

Packed with the excitement of a boxing match and the fun of constructing incredible mechanical models, this science kit for kids allows you to build two boxing robots and challenge a friend to a match. Knock your opponent robot’s head backward and score a point on the included scoreboard.

Learn about how these amazing machines and hydraulic systems work. Leave the rocking and socking to the lightweights, this awesome STEM kit really packs a punch!

• Ages 10 .

Thames & Kosmos was founded in 2001 by a science museum director and her son, who saw the great need and demand for better science education materials — resources for parents and their children that are more engaging, more effective, more relevant, and more fun.