Big racing fun with Zoomer! Included are 20 ZOOB Jr. pieces, 4 wheels and tires, sturdy picture instruction cards. Easy to follow picture instruction cards to make 12 creations and 6 vehicles. Or make you own ZOOB creation! ZOOB JR. are softer pieces designed for younger children ages 4-6. ZOOB JR. pieces are made with a special memory material that flexes and returns to its original shape, so they bend, move, and snap together snugly. All ZOOB pieces work with each other – collect sets for more pieces to interconnect!