Top this is a great visual spatial puzzle from ThinkFun. It is a Tangram based game that improves visual spatial skills and improves concentration.

Top This challenges you to combine the orange pieces together and the blue pieces together so that identical shapes are created which then cover each other. Top This has 40 challenge cards progressing from beginner to expert and there are bonus online challenges - if you get really good. It is a great game for all of the family to play at home and on holiday. Comes with a travel bag.

Age 8+, challenges take 3 to 5 minutes.