Study a card for 10 seconds and then answer a question, based on the roll of a die.
If you already know lots of useful facts about the Human body then you have an advantage. The Blood and Guts BrainBox set contains 71 beautifully-illustrated cards showing the most gruesome and giggle-some facts all about our bodies. Perfect training for Mastermind and children love all the gruesome stuff.
This is Bart Simpson's age. Fun presents for 10 year old boys are things that provoke the imagination or provide a challenge. Any toy involving running around outside is good. A kite makes a great present for a ten year old and they probably won't get it eaten by a tree. Ten year olds like more sophisticated books, doing interesting experiments and building things.