Number plus and minus balance game, educational learning tool for children over 3 years old, products are shipped in the color or size of the main picture on the product page, if you have any special requirements, please leave a message. [Fun Way To Learn Numbers]oUse cute frog-shaped math counting toys to provide children from preschool to 4th grade with interesting math counting toys, free from boring learning. Frog balance introduces numbers in an interesting way to maximize learning and memory, so as to better learn simple mathematical equations. [Interactive learning]oWe?Have the fun of science. Toddlers and young children interact with their parents, friends and teachers. Frog STEM toys are an ideal teaching tool for families and schools that want to encourage and strengthen multidimensional learning. Educators, psychologists, and researchers agree that learning in games is the key to the healthy growth of children. [Safety material]oThe frog balance toy is made of ABS, which is safe, non-toxic and tasteless. Carefully carved without burrs, durable. There is one more bag of pink frogs than usual. While playing safely, the rich colors can also enhance children's cognitive ability.