USD 6.90/pieceUSD 12.90/pieceUSD 24.90/pieceUSD 2.90/pieceUSD 2.90/pieceUSD 8.90/pieceUSD 7.90/pieceUSD 8.91-9.81/piece
Package include: 4 sets, each set could build 3 different models
NO.1301 could build :Merry go round chair, seesaw,barrier gate
learning :Speed variable principle;centrifugal force;application of the crown gear
NO. 1302 could build :Windmill, small windmill, Catapult
Learning:Chain gearing;the role of the axis;the role of the idle gear
NO.1303 could build:Shooting game,Eyes of clown, embossingmachine
Learning:speed variable principle;chain gearing;the role of the axis
NO.1304 could build:Lift,crane,swivel chair
Learning:application of the ratchet;speed variable principle;the pulley
NOTICE: 1.Products come without useless retail package unless stated otherwise.
2. Please remind to extend delivery time if not arrive in time.
3. Please Communicate before opening Dispute or Negative Feedback. 4. Order reach 22 USD could use 2 USD coupon. 5. Discount from 2 Units identical product,please check “Bulk Price” You may also like: