Joe Knock Knock Soft Book Ages 6 Months & Up Construct ten out-of-this-world machines and Brainteasers This is a puzzle Size:6-9M CC-1809

Construct ten out-of-this-world machines and learn about the physics of levers and linkages

Fun illustrated activity cards guide children on their training journey and make it easy to create a different course every time

hammerhead shark

including roller skating

Beware of tricks and traps along the way that will send you back to start

Joe Knock Knock Soft Book Ages 6 Months & Up Construct ten out of this world machines and Brainteasers This is a puzzle Size:6 9M CC 1809 Construct ten out of this world machines and learn about the physics of levers and linkages Fun illustrated activity cards guide children on their training journey and make it easy to create a different course every time