Who can crack the three-digit codes for the 10 combination locks? Three addition and/or subtraction sums involving the numbers 1-10 and/or 1-20 must be solved for each lock. There are four difficulty levels to choose from, and the game can be played as solo or as a team.
Helps to develop recognition and naming of numbers and quantities.
Teaches children about simultaneous quantity recognition.
Delivery time: approx. 4 weeks.