Hidden Building Blocks

This building block puzzle difficulty layer by layer to improve the ability step by step Each question card is a small step to help growth with puzzle challenge is very suitable for children to play. Parent-child interaction. Gifts for children

Recommended age range 3 years and above; Made of high quality materials; Passed the test, safe and durable; Good for babies and children to play; Set consists of 16 blocks (eight trapezoids and eight triangles) and 40 cards (two levels each for a total of 80 levels).